Calcium Carbonate (Calcite) Blocks


Package Size (1oz Blocks): 1 Block
Price:
Sale price$1.24 USD
Stock:
In stock

Active Ingredients: Calcium Carbonate (99.3% Purity, Limestone). Bound by gelaltin (pork derived).


Place in HOB filter to dissolve over time, raising your tank's general hardness or carbonate hardness (GH and KH).

It's recommended to use these along with a GH/KH kit to ensure your tank remains within stable parameters.

For anyone restricted from using porcine derivatives, email grant@crayfishempire.com for non-porcine derived options. A custom invoice can be created for you.

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