If you have softer water with low pH, KH, and GH and wish you could keep aquarium fish, shrimp, and snails that need higher pH, crushed coral is a gentle and safe way to bu...
Reviews
4.9
44 ratings
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Not too dusty and its a good amount for your money. Had enough for multiple filters
D
Dårlig · February 17, 2026
Very dusty as these things are. Wash a lot. But they do the job.
R
Rebecca · February 24, 2026
Easy to rinse and put in tank for added buffer and hardness for me GF, snails and shrimp
