Red Sea's Potassium Pro Test Kit is a unique advanced titration test, measuring the level of potassium in your reef aquarium to a high accuracy of 3 ppm.

This test kit enables accurate dosing of Red Sea's Coral Colors B Supplement (potassium) which is part of the complete Red Sea Reef Care Program.

You can view the Red Sea Phosphate Pro Test Kit on our website below.

https://goo.gl/ZhBNQO