Colombo water quality testers
Water quality testers from the Colombo brand
Colombo Marine Magnesium Test
The Colombo Marine Magnesium test accurately determines the magnesium content in the water. Magnesium is very important in water to keep the calcium concentration and hardness suff...
Colombo Marine Phosphate Test
Prevent problematic algae growth Nitrates and phosphates are essential nutrients for algae. With the Colombo Nitrate and Phosphate test kits, the nitrate and phosphate levels can b...
Colombo Colombo iodine test (colour 1)
Colombo Marine Iodine Test Color 1 The Colombo Marine Iodine Test (color 1) accurately tests the iodine content of your water. This color 1 test works on the basis of iodine, but a...