it is important in dsb a aragonite ones? and if it were calcium carbonate fromquarry? here in Italy the aragonite ones has of the prices forbidden to you (22kg to 55).
my question is if i find a calcium carbonate up to 98% without iron or heavy metals but with potassium (K), what could in the long run cause in a tank?
sorry for my english but i'm italian and i never study that....
my question is if i find a calcium carbonate up to 98% without iron or heavy metals but with potassium (K), what could in the long run cause in a tank?
sorry for my english but i'm italian and i never study that....