JBL ProAqua Mg-Ca test kit (Measures Magnesium / Calcium In Saltwater) Freshwater To wash out any abrasion

To wash out any abrasion caused in transit

as well as analysis of natural seawater

Suitable for ANS Micron Sock S and M

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

JBL ProAqua Mg-Ca test kit (Measures Magnesium / Calcium In Saltwater) Freshwater To wash out any abrasionThe 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,