API Reef Master Test Kit

I’ve been using this kit for a few weeks now and the calcium test is noticeably easier to read than my old strips. The results feel precise, which gives me confidence my corals are getting what they need.

My tank was starting to look a bit off, so I used this kit and found the carbonate hardness was way low. The instructions were super clear and the color charts made it easy to match the results. Feel more confident now that my corals will thrive.

The calcium and phosphate readings came back exactly what my LFS got with their fancy gear, which gave me real confidence. It's nice that the instructions are actually clear enough to follow without squinting. My corals have been looking much happier since I started testing more regularly.