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The Best Gerbil Cage

By PAG Team
April 11, 2026
20 min read
The Best Gerbil Cage

The best gerbil cage provides far more than just a place for your gerbils to live — it creates an environment where natural behaviors like burrowing, tunneling, and foraging can be expressed safely and fully. Gerbils are uniquely demanding small pets when it comes to enclosure requirements. Unlike hamsters, mice, or rats, gerbils are compulsive burrowers that require substrate depths of six inches or more to construct the elaborate tunnel systems that are essential to their psychological wellbeing.

This single requirement rules out the majority of standard small animal cages on the market — and it is the reason why the gerbilarium concept exists. A gerbilarium combines a deep glass tank base (for burrowing) with a wire cage topper (for climbing, airflow, and enrichment), creating the only genuinely appropriate housing solution for these fascinating desert rodents.

This comprehensive guide covers everything you need to select and set up the best gerbil cage for your pets — from minimum size requirements and tank versus cage comparisons to our top five product recommendations, essential accessories, and complete care guidelines.


Why Gerbil Housing Requirements Are Different

Before exploring specific products, understanding why gerbils require specialized housing — and why most standard small animal cages fail them — is essential background.

Natural History and Burrowing Instinct

Mongolian gerbils (Meriones unguiculatus) — the species kept as pets — originate from the semi-arid steppes and grasslands of Mongolia and northeastern China. In the wild, gerbils construct extensive burrow systems that extend up to one meter underground, containing multiple chambers for sleeping, food storage, nesting, and waste elimination.

This burrowing instinct is not optional behavior that captive gerbils can simply do without — it is a hardwired biological drive that must be accommodated for psychological welfare. Gerbils housed in enclosures with inadequate substrate depth exhibit:

  • Stereotypic behaviors — repetitive bar chewing, corner digging, and excessive wheel running
  • Increased aggression toward cage mates
  • Chronic stress with associated immune suppression
  • Reduced lifespan compared to appropriately housed individuals

The defining requirement of any gerbil enclosure is therefore deep substrate capacity — a minimum of 6 inches (15 cm), with 8–10 inches (20–25 cm) being significantly better.

Chewing and Gnawing Behavior

Gerbils are powerful, persistent chewers. Their continuously growing incisors require constant gnawing activity for proper dental maintenance. Unlike hamsters, gerbils will aggressively chew through plastic components — including cage bases, water bottles, wheels, and platforms — often within days of introduction.

Any plastic component placed within a gerbil enclosure will be destroyed and potentially ingested. Ingested plastic fragments cause gastrointestinal obstruction — a serious, potentially fatal condition. This requirement eliminates the vast majority of commercial small animal cages that include plastic bases, platforms, or accessories.

Social Nature

Gerbils are highly social animals that should never be housed alone. A solitary gerbil will experience chronic loneliness stress that manifests in behavioral abnormalities and reduced lifespan. The minimum gerbil keeping unit is a bonded pair — and all cage sizing recommendations below assume at least two gerbils.


Can Gerbils Live in a Hamster Cage?

One of the most frequently asked questions from new gerbil owners is whether existing hamster cages can be repurposed for gerbils. The answer is a clear no — and understanding why helps illustrate what makes an appropriate gerbil enclosure.

Why Hamster Cages Fail for Gerbils

Insufficient base depth:
Standard hamster cages have solid plastic bases typically 3–5 inches (7–12 cm) deep. This is adequate for hamsters, which burrow less intensively than gerbils. For gerbils requiring 6+ inches of substrate, a standard hamster cage base is fundamentally inadequate.

Plastic components:
Most hamster cages include plastic bases, platforms, tubes, and accessories. All of these will be destroyed by gerbil chewing behavior, creating both mess and ingestion hazards.

Bedding scatter:
Because gerbils dig vigorously and continuously, substrate placed in a standard hamster cage will be kicked out through the wire bars onto your floor. The combination of insufficient depth and bar proximity makes bedding retention impossible.

Wire bar spacing:
Some hamster cages have bar spacing designed for Syrian hamsters — which may be wide enough for smaller gerbils to squeeze through or become entrapped.

What About Bin Cages?

Plastic storage bin cages — popular in the hamster community — are not appropriate for gerbils due to the chewing issue. A gerbil can chew through even thick plastic bin walls within days, creating escape routes and ingestion hazards.


How Big Should a Gerbil Cage Be?

Size is one of the most critical factors in selecting the best gerbil cage. Inadequate space causes stress, aggression, and behavioral abnormalities that directly shorten lifespan.

Minimum Size Requirements

SourceMinimum Recommendation
ASPCA10 gallons (38 liters) for 2 gerbils
RSPCA (UK)75 cm × 40 cm × 50 cm floor space
American Gerbil Society20 gallons (76 liters) for 2 gerbils
Experienced breeder consensus20+ gallons for 2 gerbils; larger preferred

The 10 gallon minimum cited by ASPCA represents an absolute floor — the smallest space in which gerbils can physically survive without immediate harm. However, this minimum is increasingly considered inadequate by welfare-focused organizations and experienced breeders.

Our recommendation: A 20 gallon (76 liter) tank is the practical minimum for a pair of gerbils. Larger is always better — 40 gallon breeder tanks are ideal and represent the gold standard for two-gerbil housing.

Size Requirements by Number of Gerbils

Number of GerbilsMinimum Tank SizeRecommended Tank Size
2 (pair)20 gallons40 gallon breeder
3 (trio)30 gallons55 gallons
4Not recommended without advanced experience75+ gallons

Important: Housing more than three gerbils together significantly increases the risk of declanning — sudden, violent aggression between previously bonded gerbils that often results in serious injury or death. Most experienced keepers recommend limiting groups to pairs or trios and avoiding larger colonies unless you have substantial experience and backup housing available for emergency separation.

Floor Space vs. Volume

When evaluating tank size, floor space matters more than height for gerbils. A tall, narrow tank with limited floor space is inferior to a lower, wider tank with the same volume. The 40 gallon breeder tank (36″ × 18″ × 16″) is preferred over the standard 40 gallon long tank (48″ × 12″ × 16″) despite identical volume because it provides superior floor dimensions for burrowing activity.

The Bigger-Is-Better Principle

There is no maximum size for gerbil housing — only minimums. Gerbils will use every inch of available space, and larger enclosures consistently produce:

  • More natural behavior expression
  • Lower aggression rates
  • Reduced stereotypic behaviors
  • Better overall welfare indicators
  • More engaging observation for owners

If budget and space allow, always choose the largest enclosure practical for your situation.


Types of Gerbil Enclosures — Complete Comparison

Four main enclosure types are used for gerbil housing. Understanding the strengths and limitations of each helps identify the best gerbil cage configuration for your circumstances.

1. Glass Aquarium (Tank Only)

A standard glass aquarium used alone — without a wire topper — provides excellent burrowing depth and complete chew-proofing.

Advantages:

  • Maximum substrate depth potential
  • Completely chew-proof (glass)
  • Excellent visibility for observation
  • Bedding fully contained
  • Readily available in many sizes
  • Escape-proof when properly lidded

Disadvantages:

  • Limited ventilation (especially with solid lids)
  • Condensation buildup in humid environments
  • Limited vertical climbing enrichment
  • Heavier than alternative enclosures
  • Wire mesh lid required for ventilation (must be secure)

Verdict: A glass aquarium alone can work adequately if ventilation is addressed through a secure wire mesh lid — but the lack of climbing space and enrichment area makes it inferior to a full gerbilarium setup.

2. Gerbilarium (Tank + Wire Topper)

The gerbilarium is the gold standard for gerbil housing. It combines a glass aquarium base (for deep substrate burrowing) with a wire cage topper (for climbing, airflow, and above-ground activity).

Advantages:

  • Deep burrowing substrate in the tank section
  • Excellent ventilation through wire topper
  • Vertical climbing and enrichment space in topper
  • Ideal separation of activity zones (underground/above-ground)
  • Platforms in topper provide locations for wheel, food, water
  • Best overall welfare outcome for gerbils

Disadvantages:

  • Requires purchasing two components (tank + topper)
  • Topper must be securely attached to prevent escape
  • More expensive than tank-only setup
  • Heavier and harder to move than single-unit cages

Verdict: The gerbilarium is the recommended enclosure type for all gerbil keepers. It satisfies every behavioral requirement while providing practical benefits for husbandry.

3. Wire Cage (Standard Small Animal Cage)

Standard wire small animal cages — designed for hamsters, mice, or rats — are widely available but fundamentally unsuitable for gerbils.

Why they fail:

  • Shallow plastic bases cannot hold adequate substrate depth
  • Plastic bases are rapidly chewed through
  • Substrate is kicked out through wire bars
  • Most include plastic accessories that will be destroyed
  • Wire floor sections cause foot injuries

Verdict: Standard wire cages should not be used for gerbils under any circumstances.

4. Custom or DIY Enclosures

Some experienced keepers construct custom gerbil enclosures using wood, melamine, glass, and wire mesh. When properly designed, these can provide excellent housing.

Requirements for safe DIY enclosures:

  • No exposed plastic surfaces
  • Deep solid base section (12+ inches ideal)
  • Secure wire mesh sections for ventilation
  • Escape-proof construction at all joints
  • Non-toxic materials and finishes only

Verdict: Custom enclosures can be excellent but require significant construction knowledge. Not recommended for first-time gerbil owners.


Gerbil Cage Buying Guide — Essential Factors

When evaluating any product claiming to be the best gerbil cage, assess these critical factors:

1. Type and Materials

Acceptable materials:

  • Glass (tank base)
  • Powder-coated or galvanized steel wire (topper)
  • Untreated natural wood (platforms, accessories)
  • Ceramic (food dishes)
  • Metal (exercise wheel, water bottle)

Materials to avoid:

  • Plastic (any component gerbils can reach)
  • Painted surfaces (unless certified non-toxic and chew-proof)
  • Soft woods (cedar, pine — aromatic oils are harmful)
  • Wire mesh flooring (causes foot injuries)

2. Size

As discussed above, 20 gallons minimum for a pair; 40 gallon breeder recommended. Always prioritize floor space over height, and remember that larger is always better.

3. Substrate Depth Capacity

The base section must accommodate a minimum of 6 inches (15 cm) of substrate — with 8–10 inches (20–25 cm) preferred. This is the single most important specification for gerbil welfare.

4. Ventilation

Glass tanks require wire mesh lids or wire toppers for adequate airflow. Poor ventilation leads to ammonia accumulation, respiratory problems, and condensation that promotes bacterial and fungal growth.

5. Security and Escape Prevention

Gerbils are intelligent, curious, and persistent. They will test every potential escape route repeatedly. Evaluate:

  • Wire bar spacing: Maximum ½ inch (1.27 cm) for adult gerbils; ¼ inch (0.6 cm) for pups
  • Door and lid security: Spring-loaded or screw-down mechanisms; simple clips may be opened by determined gerbils
  • Tank-topper connection: Must be secure and escape-proof at the junction

6. Ease of Cleaning

Access to all enclosure areas matters for regular maintenance:

  • Large doors or removable lids improve cleaning access
  • Wire toppers should fully detach from the tank base
  • Smooth interior surfaces clean more easily than textured ones

Top 5 Best Gerbil Cages — Reviews


1. Ware Manufacturing High Rise Pet Cage + 20 Gallon Tank Combo

Overall Rating: 4.7/5
Price Range: $$
Best For: Most gerbil owners; pairs; best value gerbilarium setup

The Ware Manufacturing High Rise Pet Cage remains one of the most popular and well-reviewed gerbil cage toppers available, and when combined with a standard 20 gallon aquarium, it creates an excellent complete gerbilarium at an accessible price point.

Specifications:

FeatureDetail
Topper dimensions19.5″ × 11″ × 10.5″
Compatible tank sizes10–20 gallon standard aquariums
Bar spacing½ inch
Wire coatingPowder-coated (chew-resistant)
Levels3 platforms with ramps
Included accessoriesWater bottle, food dish, platforms, ramps
MaterialSteel wire (topper); pair with glass tank

What We Like:

The High Rise creates a complete three-level living space above the tank section, providing substantial climbing and exploration area while leaving the entire tank volume available for deep burrowing substrate. The included platforms, ramps, food dish, and water bottle mean the setup is essentially ready for gerbils immediately upon assembly.

The powder-coated wire is genuinely chew-resistant — an important feature for gerbils that will test every bar with their teeth. Spring locks hold the topper securely to the tank, and the ½ inch bar spacing is appropriate for adult gerbils (though pups would require temporary fine-mesh covering until they grow).

Practical assembly:
The topper clips securely onto the rim of a standard 10 or 20 gallon aquarium. We strongly recommend pairing it with a 20 gallon tank rather than a 10 gallon — the additional floor space makes a meaningful difference to gerbil welfare.

Important note on tanks:
The aquarium is sold separately. Standard 20 gallon aquariums are available at most pet stores and typically cost $25–40.

Pros:

  • Excellent value complete topper kit
  • Powder-coated chew-resistant wire
  • Multiple platforms provide enrichment
  • Accessories included
  • Secure spring-lock attachment
  • Easy cleaning access through large top door

Cons:

  • Aquarium sold separately
  • Included ramps are plastic (some owners replace with wooden alternatives)
  • Water bottle is plastic (recommend upgrading to glass)
  • ½ inch bar spacing requires temporary mesh for pups

Our take: For most gerbil owners, the Ware High Rise + 20 gallon tank combination represents the best value path to an appropriate gerbilarium setup. It satisfies all fundamental requirements at an accessible total cost.


2. Kaytee My First Home Tank Topper

Overall Rating: 4.5/5
Price Range: $$
Best For: Owners wanting an alternative topper design; deeper tank compatibility

The Kaytee My First Home Tank Topper offers an alternative gerbilarium topper design with a slightly different aesthetic and platform configuration. It is compatible with both 10 and 20 gallon aquariums.

Specifications:

FeatureDetail
Topper dimensions20″ × 10″ × 11″
Compatible tank sizes10–20 gallon standard aquariums
Bar spacing½ inch
Levels2 platforms with connecting ramp
Included accessoriesPlatforms, ramp
Door accessLarge front-opening door

What We Like:

The Kaytee topper features a large front-opening door that provides excellent access for cleaning, interaction, and accessory placement. The wire construction is sturdy and the fit onto standard aquarium rims is secure.

Practical considerations:
Like the Ware High Rise, this topper requires a separately purchased aquarium. The two-level platform design is slightly simpler than the three-level Ware, but provides adequate climbing space when combined with a properly furnished setup.

Pros:

  • Large front door for easy access
  • Compatible with standard 10–20 gallon tanks
  • Sturdy wire construction
  • Good visibility
  • Widely available

Cons:

  • Fewer included accessories than Ware High Rise
  • Platform and ramp are plastic (recommend replacement)
  • Aquarium sold separately

3. 40 Gallon Breeder Tank + Custom Wire Lid

Overall Rating: 4.8/5
Price Range: $$$
Best For: Maximum substrate depth; pairs or trios; long-term investment

For owners prioritizing maximum burrowing depth and floor space — or those housing three gerbils — a 40 gallon breeder tank with a secure wire mesh lid represents the gold standard single-unit gerbil enclosure.

Specifications:

FeatureDetail
Tank dimensions36″ × 18″ × 16″
Volume40 gallons
Substrate capacityUp to 10–12 inches
LidCustom wire mesh or screen (sold separately)
MaterialGlass

Why the 40 Gallon Breeder?

The 40 gallon breeder tank is specifically prized for its floor space dimensions — 36″ × 18″ provides significantly more usable burrowing area than standard tanks of similar volume. The 16″ height accommodates 10+ inches of substrate while leaving space for a wheel, platforms, and interaction.

Setup approach:
This configuration requires a secure wire mesh or metal screen lid to ensure ventilation and prevent escape. Commercial reptile screen lids are available for 40 gallon tanks, or custom lids can be constructed from hardware cloth and wooden frames.

Enrichment platforms, a running wheel, and climbing structures are placed within the tank on top of the substrate — there is no separate topper section. This design maximizes substrate depth and burrowing opportunity.

Pros:

  • Maximum substrate depth capacity
  • Excellent floor space for burrowing
  • Superior welfare outcome for gerbils
  • Ideal for pairs or trios
  • Simple, durable glass construction
  • No plastic components

Cons:

  • No topper — less vertical climbing space
  • Heavy and difficult to move
  • Requires separate lid purchase
  • Higher total cost than 20 gallon + topper setup
  • Less visibility through substrate-filled tank

4. Savic Habitat XL Rodent Cage

Overall Rating: 4.3/5
Price Range: $$$
Best For: European owners; pre-assembled complete unit

The Savic Habitat XL is a complete rodent enclosure designed with gerbil-appropriate features, including a deep plastic-free base and attached wire upper section. It is more commonly available in European markets.

Specifications:

FeatureDetail
Dimensions27.5″ × 18.5″ × 24″ (total height)
Base depthApproximately 9 inches
Base materialGlass-equivalent (depending on model)
Wire sectionPowder-coated steel
Bar spacingApproximately ½ inch
LevelsMultiple platforms included

What We Like:

The Savic Habitat XL is designed specifically for burrowing rodents and includes a genuinely deep base section that accommodates adequate substrate depth without requiring separate tank and topper purchases. The integrated design means no compatibility concerns.

Practical considerations:
Availability varies significantly by region — the Savic Habitat XL is more readily available in European markets than in North America. Verify that the specific model available in your region has a sufficiently deep, non-plastic base section, as Savic produces multiple Habitat variants with different specifications.

Pros:

  • Purpose-designed for burrowing rodents
  • Deep base section
  • Complete integrated unit
  • Multiple platforms included
  • No separate tank purchase required

Cons:

  • Limited availability in some regions
  • Heavier and harder to move than tank + topper setups
  • Higher price point
  • Model specifications vary — verify before purchase

5. REPTI ZOO Reptile Glass Terrarium (Adapted Use)

Overall Rating: 4.2/5
Price Range: $$$
Best For: Owners wanting front-access doors; display-oriented setups

While designed for reptiles, the REPTI ZOO Glass Terrarium can be effectively adapted for gerbil housing. Its front-opening doors provide access that top-opening aquariums cannot match, and the all-glass construction is completely chew-proof.

Specifications:

FeatureDetail
Available sizesMultiple (select 36″ × 18″ × 18″ or similar)
Base depthUp to 10 inches with mesh modification
MaterialTempered glass
Door accessFront-opening glass doors
VentilationTop mesh panel

Adaptation requirements:
Reptile terrariums typically have a mesh top section designed for heat lamp access — this provides excellent ventilation but may require fine-mesh covering to prevent pup escape if the openings are too large. The front-opening doors must be securely latched, as gerbils will learn to push against them.

Some owners add a DIY wire topper above the terrarium for additional vertical space, though the taller terrarium dimensions (18″ height) accommodate substantial substrate depth plus enrichment without a topper.

Pros:

  • Front-opening doors — unique access advantage
  • All-glass, chew-proof construction
  • Excellent visibility
  • Substantial substrate depth capacity
  • Premium aesthetic

Cons:

  • Requires adaptation from reptile use
  • Higher price than standard aquarium setups
  • Heavier than alternatives
  • Door security must be verified
  • Top ventilation may need fine-mesh modification

Gerbil Cage Comparison Chart

EnclosureTypeSizeSubstrate DepthVentilationPriceRating
Ware High Rise + 20G TankGerbilarium20 gal + topper6–8 inchesExcellent$$4.7/5
Kaytee Tank Topper + 20G TankGerbilarium20 gal + topper6–8 inchesExcellent$$4.5/5
40 Gallon Breeder + Mesh LidTank only40 gallons10–12 inchesGood$$$4.8/5
Savic Habitat XLIntegrated unit~35 gallons9 inchesExcellent$$$4.3/5
REPTI ZOO Terrarium (adapted)Tank only30–50 gallons8–10 inchesGood$$$4.2/5

What Do Gerbils Need in Their Cage?

Beyond the enclosure itself, proper furnishing with appropriate accessories is essential for gerbil welfare and enrichment.

Essential Accessories

Deep Bedding Substrate

The most critical “accessory” is not an accessory at all — it is the substrate that fills the base section. Gerbils require a minimum of 6 inches of bedding to construct burrows, with 8–10 inches strongly preferred.

Appropriate substrates:

  • Aspen shavings — safe, absorbent, and widely available
  • Paper-based bedding (Carefresh, Kaytee Clean & Cozy) — virtually dust-free
  • Hemp bedding — highly absorbent and natural
  • Hay/straw mixture — can be mixed with primary substrate for tunnel structural support
  • Coconut fiber — can be mixed for variety

Substrates to avoid:

  • Cedar shavings — aromatic oils cause respiratory and liver damage
  • Pine shavings (unless kiln-dried) — similar aromatic oil concerns
  • Sawdust — too fine; respiratory hazard
  • Fluffy bedding (cotton wool, kapok) — ingestion and limb entanglement hazard

Water Bottle

glass water bottle mounted securely to the cage or topper provides clean water without contamination risk. Plastic bottles will be chewed through — glass is essential for gerbils.

Food Dish

heavy ceramic food dish resists tipping and cannot be chewed. Alternatively, food can be scatter-fed directly into the substrate for foraging enrichment.

Exercise Wheel

Gerbils are highly active and benefit significantly from a running wheel. Requirements:

  • Minimum 8 inch diameter — larger (10–12 inch) is better for preventing spinal curvature
  • Solid running surface — wire or mesh wheels cause tail and foot injuries
  • Metal construction — plastic wheels are rapidly destroyed
  • Consider masking tape on interior — some owners cover the running surface with masking tape and substrate to provide grip and reduce tail catching risk

The Silent Spinner and Wodent Wheel in metal versions are popular gerbil-appropriate options.

Nest Box / Hide

Gerbils need enclosed spaces for sleeping, retreat, and security. A wooden nest box — such as untreated pine, birch, or apple wood — serves this purpose and provides safe chewing material.

Commercial wooden nest boxes or DIY options (untreated wood assembled without nails or staples) work well. Provide shredded unbleached tissue paper or plain white paper for nest building material.

Sand Bath

Gerbils — like chinchillas — clean their coats through dust and sand bathing rather than water. A sand bath should be provided regularly (either permanently in the enclosure or for supervised sessions several times weekly).

Use chinchilla sand or children’s play sand (sterilized by baking if sourcing from non-pet sources). Never use chinchilla dust for gerbils — the fine particles cause respiratory problems.

Chewing Materials

Gerbils must chew to maintain healthy tooth length. Provide:

  • Untreated wooden chews (apple, pear, willow, birch)
  • Cardboard tubes and boxes
  • Wooden platforms and accessories
  • Hay cubes
  • Loofah pieces

Enrichment Accessories

Platforms and Ledges

Wooden platforms at various heights encourage climbing and exploration. In a gerbilarium topper, platforms also provide locations for the wheel, food, and water that remain accessible above the substrate.

Tubes and Tunnels

While plastic tubes are inappropriate for gerbils, cardboard tubes from paper towel and toilet paper rolls provide excellent temporary enrichment. They will be chewed and destroyed — this is the intended use.

Ceramic or wooden tunnels provide more permanent tunnel-like spaces.

Climbing Structures

Grapevine branches, cork bark, untreated wooden ladders, and similar natural climbing structures add three-dimensional complexity to the enclosure.

Foraging Toys

Scatter feeding and food-hiding toys encourage natural foraging behavior. Treats hidden in cardboard boxes, paper bags, or hay piles provide mental stimulation.


How to Set Up a Gerbil Cage Properly

Correct setup is as important as enclosure selection. Follow this step-by-step process:

Step 1: Position the Tank Base

Place the empty tank in its final location before filling with substrate — a filled tank is extremely heavy and difficult to move safely.

Location requirements:

  • Away from direct sunlight (prevents overheating)
  • Away from drafts, radiators, and heating vents
  • In a quiet, low-traffic area (minimizes stress)
  • At a stable temperature (65–75°F / 18–24°C)
  • Near a window for natural day-night light cycles, but not in direct sun

Step 2: Add Deep Substrate

Fill the tank base with your chosen substrate to a depth of at least 6 inches, preferably 8–10 inches. This is the most critical step for gerbil welfare.

Layering technique for tunnel stability:

  1. Add 2–3 inches of primary substrate (aspen or paper bedding)
  2. Add a layer of timothy hay for structural support
  3. Add additional primary substrate
  4. Repeat layering until desired depth is reached

The hay layers help gerbil tunnels maintain their structure rather than collapsing immediately.

Step 3: Install the Topper (if using gerbilarium setup)

Attach the wire topper securely to the tank rim following manufacturer instructions. Verify that:

  • All clips or spring locks are fully engaged
  • No gaps exist at the junction (escape risk)
  • The topper sits level and stable

Step 4: Position Platforms and Accessories in Topper

Place platforms at varying heights within the topper. Position the exercise wheel on a platform where it can rotate freely without obstruction.

Attach the glass water bottle to the topper bars at a height accessible from a platform.

Step 5: Add Nest Box and Hides

Place at least one wooden nest box or hide in the tank section, partially buried in the substrate. Gerbils will likely relocate it or incorporate it into their burrow system — this is normal.

Add a small amount of shredded paper or unbleached tissue for nest building material.

Step 6: Add Sand Bath

Place a sand bath dish (ceramic or glass) in a stable location. Some owners leave the sand bath permanently in the enclosure; others provide it for supervised sessions to minimize substrate contamination.

Step 7: Scatter Initial Food

Rather than using a food dish initially, scatter the first feeding directly into the substrate to encourage natural foraging behavior. This also helps the gerbils begin exploring and mapping their new environment.

Step 8: Allow Settling Time

After introducing gerbils to their new enclosure, allow 24–48 hours of minimal disturbance for them to explore, establish burrows, and settle in. Limit handling during this adjustment period.


Basic Gerbil Care Guidelines

Providing the best gerbil cage is one component of complete gerbil care. These additional guidelines ensure overall welfare:

Hydration

Fresh, clean water must be available at all times. Change the water in the glass bottle daily, even if the bottle appears full — water becomes stale and can harbor bacteria.

Temperature

Maintain ambient temperature between 65–75°F (18–24°C). Gerbils are sensitive to temperature extremes:

  • Below 60°F: Risk of torpor and hypothermia
  • Above 80°F: Risk of heat stress

Light Cycles

Gerbils are primarily diurnal and crepuscular — active during the day and at dawn and dusk. They require a natural day-night light cycle. Position the enclosure to receive natural light (not direct sun) during the day, and ensure genuine darkness at night.

Cleaning Schedule

TaskFrequency
Spot-clean toilet areasDaily
Refresh water bottleDaily
Clean food dishesDaily
Partial bedding change (toilet areas)Weekly
Full substrate changeEvery 4–6 weeks
Full enclosure sanitizationEvery 4–6 weeks

Important note on cleaning frequency:
Unlike many small pets, gerbils produce very little odor when housed appropriately. Their desert-adapted metabolism produces concentrated, minimal waste. Over-cleaning — particularly full substrate changes too frequently — causes stress by removing the scent-marking that establishes territory security.

Full substrate changes every 4–6 weeks are typically adequate for a properly sized enclosure with daily spot-cleaning.

Diet

Provide a high-quality commercial gerbil food mix as the dietary base. Supplement with:

  • Fresh vegetables (small amounts)
  • Occasional seeds and nuts (treat frequency)
  • Protein sources (mealworms, boiled egg — occasionally)
  • Fresh hay (timothy, orchard grass)

Food storage behavior: Gerbils will hoard food in their burrows — this is natural and should not be interpreted as hunger requiring increased feeding. Monitor body condition rather than food bowl emptiness.

Health Monitoring

Regularly observe for signs of health problems:

  • Weight loss or gain
  • Coat condition changes (dull, patchy, or thinning fur)
  • Lethargy or reduced activity
  • Discharge from eyes or nose
  • Difficulty moving or hunched posture
  • Visible injuries from fighting

Establish a relationship with a veterinarian experienced with exotic small mammals before health problems arise.


Frequently Asked Questions

What is the best gerbil cage?

For most owners, the Ware Manufacturing High Rise Pet Cage combined with a 20 gallon glass aquarium represents the best gerbil cage configuration — balancing welfare requirements, practical features, and accessible cost. For owners prioritizing maximum burrowing depth, a 40 gallon breeder tank with a secure wire mesh lid is the optimal single-unit alternative.

How big should a gerbil cage be?

The minimum recommended size is 20 gallons for a pair of gerbils. A 40 gallon breeder tank is the ideal size for two gerbils and provides significantly better welfare outcomes. Add approximately 10 gallons of additional capacity per additional gerbil.

Can gerbils live in a hamster cage?

No. Standard hamster cages have shallow plastic bases that cannot hold the 6+ inches of substrate gerbils require for burrowing. The plastic components will also be rapidly chewed and destroyed, creating ingestion hazards and escape routes.

How much bedding do gerbils need?

Gerbils require a minimum of 6 inches (15 cm) of substrate depth, with 8–10 inches (20–25 cm) strongly preferred. Deep substrate allows natural burrowing behavior essential to gerbil psychological welfare.

Do gerbils need a wheel?

While not strictly essential, an exercise wheel significantly improves gerbil welfare by providing an outlet for their substantial energy and activity needs. The wheel must have a solid (not wire) running surface and be at least 8 inches in diameter.

Can gerbils live alone?

No. Gerbils are highly social animals that experience chronic stress when housed alone. A bonded pair is the minimum keeping unit. Same-sex pairs or trios are appropriate for most owners; breeding pairs require additional knowledge and preparation.

How often should I clean a gerbil cage?

Spot-clean daily (remove soiled substrate from toilet areas), with full substrate changes every 4–6 weeks. Gerbils produce minimal odor and over-cleaning removes territorial scent-marking that provides security. A properly sized enclosure with deep substrate will not smell significantly between full changes.

What is a gerbilarium?

A gerbilarium is the recommended enclosure type for gerbils, consisting of a glass aquarium base (for deep burrowing substrate) combined with a wire cage topper (for climbing, ventilation, and above-ground enrichment). This design satisfies both burrowing instincts and the need for airflow and activity space.

Why do gerbils need glass tanks instead of wire cages?

Glass tank bases contain substrate effectively — gerbils would kick bedding through wire bars within hours in a standard wire cage. Glass also cannot be chewed through, eliminating the escape and ingestion risks associated with plastic bases.

What substrate is best for gerbils?

Aspen shavings and paper-based bedding (such as Carefresh) are the most commonly recommended substrates. Layering substrate with timothy hay improves burrow structural integrity. Avoid cedar, pine (unless kiln-dried), sawdust, and fluffy cotton-type bedding.


Final Verdict

Selecting the best gerbil cage requires understanding what makes gerbil housing requirements genuinely different from other small pets — primarily the absolute necessity for deep burrowing substrate that standard cages cannot provide.

For most owners: The Ware Manufacturing High Rise Pet Cage paired with a 20 gallon aquarium offers the best combination of appropriate design, included accessories, and accessible pricing. This gerbilarium setup satisfies all fundamental requirements while providing a practical, cleanable, secure home for a gerbil pair.

For optimal welfare: A 40 gallon breeder tank with a secure wire mesh lid — filled with 10+ inches of substrate and furnished with wooden platforms, a wheel, and enrichment — provides the maximum burrowing depth and floor space in a single-unit format.

Whatever enclosure you choose, remember that the substrate depth is non-negotiable. A gerbil cannot be happy or healthy in an enclosure that prevents burrowing — no matter how otherwise well-designed the cage may be. Prioritize depth, eliminate plastic, and your gerbils will reward you with years of fascinating, energetic companionship.

About PAG Team

An expert contributor at Pet Animal Guide, dedicated to providing accurate, veterinary-informed, and practical advice to help you give your pets the best life possible.