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 of great importance in the water to keep the calcium concentration and hard...

Colombo Marine Phosphate Test

Prevent problematic algae growth Nitrates and phosphates are essential nutrients for algae. With the Colombo Nitrate and Phosphate test kits, nitrate and phosphate levels can be ea...

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...