Posted: Mon Aug 02, 2010 1:39 am Re: CALGRIT for substrate??
Found some info on cal grit..
Ingredients: Granite Grit, Oyster Shell, Calcium Carbonate, Dicalcium Phosphate, Salt, Charcoal, Mineral Oil, Orange Oil, Zinc Oxide, Manganous Oxide, Ferrous Carbonate, Copper Oxide, Calcium Iodate, Cobalt Carbonate.
Guaranteed Analysis:
Calcium (Ca) (min)...............17.5%
Calcium (Ca) (max)..............21.0%
Phosphorous (P) (min)............0.25%
Salt (NaCl) (min)....................2.0%
Salt (NaCl) (max)...................3.0%
1 RES male: 4.5 inches