DetailsCalcium carbonate is a hardness granulate of more than 99% CaCO3 (calcium); grain size approx. 4 to 6 mm (.15 to .23 in.); for pH value buffering (increase in carbonate hardness) and to increase the calcium content (Ca2+). Tunze Calcium Carbonate is available in 2 sizes.
- Additional Information
- Product Specs