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🏝️ Turn your crab’s tank into a luxury island retreat they’ll never want to leave!
Fluker's All Natural Premium Hermit Crab Sand Substrate is a 12 lb. blend of natural sand, coconut fiber, sea salt, calcium carbonate, and probiotics designed to replicate the hermit crab’s natural habitat. It enhances water retention, promotes natural burrowing and molting behaviors, and maintains a clean, healthy environment through probiotic action. Free from dyes and harmful additives, this substrate also conducts heat efficiently, making it an ideal choice for professional hermit crab keepers seeking a premium, all-natural bedding solution.











| Customer Reviews | 4.8 out of 5 stars 535 Reviews |
D**6
Best sand for hermit crabs.
This sand is a must for hermit crabs . This is way better than beach sand for helping maintain humidity in your aquarium.
A**L
Good product
A little pricey but good stuff
A**R
Good sand
This is the 2nd time I've gotten this sand for our hermit crabs. They seem to love burrowing themselves in it
L**R
Happy crabs!
We’ve been using this sand for 2 years and our hermit crabs seem happy. They burrow daily and molt without issues.
J**D
Good quality
Great value for my money, fills a small aquarium. Scoops well and cleans up easy.
A**O
The best sand
I bought this for my hermit crabs and it’s been amazing! The texture is just right — soft enough for them to dig and burrow, but not too fine or dusty. It holds moisture well, which is super important for keeping the humidity at the right level in their habitat. There’s no weird smell or artificial color, and it’s safe and clean right out of the bag. I mixed it with some coconut fiber for extra depth, and my crabs have been more active and happy ever since! Definitely a great product for any crab owner who wants to give their little buddies a comfortable, natural environment. I’ll be reordering for sure!
D**A
Happy Hermit Crab
The grandkids little hermit crab named Herman immediately got more active and happy once we changed his sand to this one. Previously, we had made our own mix from play sand and coconut fiber per instructions. It did not have a nice smell and mold tended to develop. This one smells great, has a nice loose crumbly structure,and the crab is much more active. Within a couple of weeks, he entered hibernation. He has come out once to eat and look around and gone back down. Clearly this sand is a great habitat for a hermit crab.
H**P
Hermit Crab Sand Substrate
Thank god I found this product on Amazon! This saved me a trip to the store and from purchasing several bags of sand for the hermit crab tank. One bag lasts two cycles (at least for our tank). Quality of the sand and substrate is perfect and exactly as described. Will be making a purchase of this again!
R**T
As expected, high grade
A product by a well known brand established for such a long time. High grade sand mix for hermit crabs.
Trustpilot
3 weeks ago
1 week ago