Seachem MultiTest Iron magnesium It measures the amount of

It measures the amount of calcium and magnesium ions in the water

Reef and plant safe

these unique Mini Grazer rings can be attached to the side of the aquarium using their suction fixings (included in the pot) and allow you to witness your fish feeding as they would in the wild

The quickest Aquarium plumbing installation on the market

Seachem MultiTest Iron magnesium It measures the amount ofIron is of no importance in sh only aquaria; however, iron over 0. 5 mg L may be toxic to some species and should be avoided. Under normal conditions, iron is virtually impossible to maintain at measurable concentrations in seawater. Natural seawater concentration for iron is about 0. 01 mg L. Iron is important in planted aquaria and should be maintained between 0. 1 to 0. 2 mg L. MultiTest Iron measures both ionic and most chelated iron in freshwater