API GH & KH TestKit£10.30
... calcium bicarbonate and magnesium bicarbonate; Ca(HCO3)2 & Mg(HCO3)2.
Marine reef aquarists interested in measuring the calcium level in their aquariums should use a calciumtestkit made specifically for this purpose. The KH TestKit ...
API Phosphate TestKit (API63L)£9.43
... test for phosphate? A: While phosphate is required by fish and plants, too much phosphate can lead to cloudy water conditions. In saltwater aquariums, phosphate precipitates dissolved calcium (Ca2+) and magnesium ...
