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 buffer your water. Crushed coral dissolves continuously over time. The lower your pH is, the faster it...
Reviews
4.9
50 ratings
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Brought my Ph up a little, no more expensive Neutral Regulater, just prime .
V
Vickey · August 15, 2026
Not too dusty and its a good amount for your money. Had enough for multiple filters
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Dårlig · February 17, 2026
Very dusty as these things are. Wash a lot. But they do the job.