GH FRESHWATER TEST KIT
 
A correct General Hardness (GH) is essential for clear water. GH is a measurement for the
total amount of dissolved minerals in the water; these minerals mainly consist of Calcium. These minerals are essential for the well being of your fish and plants.
 
Colombo have produced test kits that are developed especially for
freshwater. These tests give the best results!
 
Colombo, 30 years of experience, that makes the difference.