Salifert Oxygen O2 Test Kit SUbcategory_Carbonate Hardness Test Kits 3 oz HP00767

3 oz HP00767

A slip-resistant handle helps ensure a good grip when your hands get wet

Attaches to the glass with a powerful suction cup

This 10 gallon terrarium kit takes the guess work out of setting up the proper habitat for desert geckos

Designed to tackle mats

Salifert Oxygen O2 Test Kit SUbcategory_Carbonate Hardness Test Kits 3 oz HP00767Oxygen is highly essential for all life forms. Especially corals and marine fish require oxygen concentrations at saturation level. This is because of the low solubility of oxygen in saline water which is approx. 5 7 ppm. The oxygen test measures oxygen concentration in just a few minutes. Approx. 50 tests per kit. Range: 2 14 ppm.