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

Smart Stir AutoAqua Smart Stir is a handy gadget to help the aquarist perform accurate water analyzes. Water testing is important to ensure the success of a home aquarium. For accurate testing, most liquid test kits require the water sample to be mixed or stirred after adding a reagent. In some cases, you need to add one drop of reagent at a time,...

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! [...]