Salifert Potassium Reef Test kit
The Salifert Potassium Reef Test kit is the latest chemical measuring tool from one of the stalwart test kit companies on the reef aquarium block. According to Salifert, the Potassium reef Test can be performed in about 90 seconds. This tritatic test kit has a sharp color change, going from yellow to blue, when you hit the level in the sample. The Potassium Reef Test Kit’s resolution is 15 ppm giving you a pretty accurate read, but most of all you’ll love the discrete color change visible in the video below.