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Josh's Frogs BIOACTIVE 55 Gallon Tankless Hermit Crab Kit

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Kit includes the following (which can be purchased independently):

About This Product

Looking to set up your pet hermit crabs the RIGHT way? Want to give them the best quality of life possible? Then the Josh's Frogs Josh's Frogs BIOACTIVE 55 Gallon Tankless Hermit Crab Kit might be right up your alley!

This kit does not include a tank. We recommend acquiring a 55 gallon terrarium or aquarium. 50 CuFt bags of play sand will also need to be purchased separately. These can be found for a few dollars each at your local home improvement store.

Josh's Frogs BioBedding HERMIT CRAB Bioactive Substrate (10 quarts)

Josh's Frogs BioBedding HERMIT CRAB Bioactive Substrate is a partial substrate that creates the right environment for hermit crabs to live and molt in (after play sand is added), while also supporting the growth of select hermit crab-safe plants! A 10 qt bag of this BioBedding and a 50 CuFt bag of play sand will make 3-4" of substrate in a 40B or 55 gallon setup. 6" of substrate is the minimum recommended depth for the average size hermit crab. Feel free to replace with the pre-mixed 4 quart version, but keep in mind that 5 bags of the 4 qt BioBedding will need to be purchased to equate to the 10 qt bag and play sand mixture. 

Josh's Frogs Hermit Crab Salt (Makes 8 gallons of Salt Water)

Josh's Frogs Hermit Crab Salt is a marine salt mix that comes in a resealable bag and includes a measuring scoop to make giving salt to your hermit crabs easy! Hermit crabs have access to the ocean in the wild and also require salt water in captivity to live their best lives.

Fluker's Plastic Terrarium (Small)

Water dishes made for hermit crabs are rarely deep enough for adult crabs. Once the lids are removed, these plastic terrariums hold enough water for even the largest crabs to completely submerge. These large pools will also help maintain humidity. Two are recommended: one for a fresh water pool and another for the salt water pool. However, an entry and exit ramp will be needed. We also recommend some gravel in the bottom for traction.

9.5"L x 5.75"W x 7.75"H

Zilla Basking Platform (Small) 

These textured platform ramps will help hermit crabs enter and exit the pools.

Dimensions: 12.3" x 5.5" x 4.3"

Josh's Frogs Dechlorinator Tap Water Conditioner (16 oz)

If you have tap water at home, a dechlorinator is necessary! Josh's Frogs Dechlorinator Tap Water Conditioner has an easy dispensing cap that is ideal for treating small amounts of water at a time.

Terrarium Thermometer-Hygrometer

We recommend always keeping an eye on the temperature and humidity. These readings can change frequently, especially with seasonal weather changes. Baby hermit crabs have a much softer exoskeleton and will not tolerate poor conditions as well older individuals. If the humidity is too low, they cannot breathe. If it is too high, their exoskeleton could breakdown. Place in the center of the tank as much as possible for accurate readings. Protect wires from hermit crabs as they will try to eat them.

Fluker's Premium Heat Mat - Jumbo (29"x11")

This heat mat will fit on the back of the tank above the substrate line, providing warmth for your hermit crabs without cooking or drying them out. Use with a thermostat (not included) for even more accurate temperatures. 

24x18x24 (40-55 Gallon) Hermit Crab Vivarium Plant Kit

This plant kit has 5 plants that are non-toxic and able to live in the extreme environment hermit crabs enjoy. We highly recommend planting the tropical plant in a pot without drainage holes to keep the roots from taking over the substrate.

  • 1 - Tropical Plant
  • 1 - Cryptanthus
  • 2 - Tillandsia 'Air Plant'
  • 1 - Bromeliad

Josh's Frogs Green Gro LED Fixture (36 inch, 54 Watt)

This light provides bright white light to simulate the 12 hours of light they would receive in the wild and also helps plants grow.

Josh's Frogs Coco Planter Mat (~12 x 12 inch)

These planter mats have pockets perfect for either air plants or bromeliads or for hermit crabs! Hermit crabs love climbing and hiding in it. 4 mats are needed to cover the back of a 55 gallon. These backgrounds are also available without pockets if you do not want every panel to have pockets. 

Zoo Med Repti Rock Reptile Food Dish (Medium)

This medium flat dish is an easy food dish for hermit crabs to eat out of.

Josh's Frogs Rock Water Bowl with Ramp (Small)

This small bowl is ideal for powdered calcium, which needs to be available at all times for hermit crabs.

Live Oak Leaf Litter (1 Gallon)

Oak leaves not only provide hiding spaces for clean up crew, they also are an important food source for hermit crabs.

Cholla Skeleton Wood (6" long)

Cholla wood is natural decor that hermit crabs can climb, explore, and eat.

Cork Flat for Kits (Large)

Cork is a great climbing toy for hermit crabs.

Josh's Frogs Chilean Sphagnum Moss (100g bag)

This is undyed and safe moss for hermit crabs. They enjoy hiding in it and eating it. It can also solve humidity issues. Too humid, add dry moss to absorb excess moisture. Too dry, add wet moss to add moisture to the air. It can also be used to plant epiphytic plants in the plant kit.

Clean up Crew- Porcellionides pruinosus 'Powder Orange' Isopods and Springtails

These small insects will keep your hermit crab tank clean! The springtails will eat mold that can sometimes be an issue in the humid warm environment and the isopods will eat droppings. If you would like a different isopod, check out our Isopod category. We recommend smaller species that do not burrow like Porcellionides pruinosus whch come in many colors, Cubaris Papaya, or Cylisticus Convexus ‘Ukraine Pied’. 

Glass Top (for 12x12 footprint Exo Terra glass terrariums) 

The Actual dimensions are 10 & 3/8" x 11" x 1/8". Please double check that they will fit your specific 55 gallon. 


This product ships to your doorstep. Most orders placed before 2pm ET on business days will ship out the same day.

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