Set of reagents for determining magnesium concentration in freshwater.

Set of reagents for determining iodine concentration in seawater.

Set of reagents for determining iron concentration in fresh and sea water.

Reagent set for determining total chlorine concentration in freshwater.

Set of reagents for determining the concentration of free chlorine in fresh water.

Set of reagents for determining calcium concentration in fresh water.

Set of reagents for determining calcium concentration in seawater.

Test Phosphate - 100 tests

Test Magnésium - 75 tests

MultiTest Kit Trace Colors Pro (I2,K,Fe) Tests developed for the precise measurement of Iodine, Potassium and Iron. Recommended for highly oligotrophic systems. Economic format The Red Sea Coral Colors Pro Test Kit contains high-end tests for high precision measurement of iodine, potassium and iron. All these elements are associated with many biological...

Multi Referenz 100ml Sample of seawater with known concentration of different elements (Ca, Mg, Potassium, Salinity, KH, Sr, Nitrates, Nitrites). Use it to check the accuracy of your colorimetric tests! [...]

Calcium marine test kit - 75 tests User-friendly titration test provides a quick and reliable measurement of calcium in your aquarium, with accuracy of either 15ppm or 30ppm, according to your needs Red Sea’s user-friendly Calcium Marine Test Kit provides a quick and reliable measurement of calcium in your aquarium to an accuracy of either 15ppm...