JBL ProAqua Mg-Ca test kit (Measures Magnesium / Calcium In Saltwater) Freshwater long chain polymer that is

long chain polymer that is safe for sensitive invertebrates and marine fish

Conexo can also be used on a wet background and even underwater

as well as analysis of natural seawater

Reef Basis Potassium is a high purity potassium in dry form

maximum strength water conditioner that makes tap water immediately safe for freshwater or marine aquarium use

JBL ProAqua Mg-Ca test kit (Measures Magnesium / Calcium In Saltwater) Freshwater long chain polymer that isThe JBL ProAqua Test MgCa Magnesium Calcium is an easy to use drop test to measure the magnesium and calcium content of saltwater. As the magnesium content can only be measured by recording the sum of magnesium plus calcium, the two tests have been combined in one pack. The magnesium content can be calculated by subtracting the calcium content from the total value of Mg + Ca. Why test? Invertebrates (stony corals and soft corals, sponges, sea urchins,