Red Sea Reef Care Algae Control Test Kit - Nitrate & Phosphate - 100 tests

This is a great nitrate kit for reef tanks. The color wheel is nice, and the liquid reagents beat the heck out of some of the powdered reagents that hanna uses. I still use my hanna phosphate checker, but use the reef care to check every once and a while. The kit is easy to use, and I've corroborated results with several other test kit manufacturers. Highly recommended.

Well, it is better than the kit I was using before, but I ended up buying a Hanna colorimeter for phosphate tests as that seems to be more sensitive and is supposedly very accurate.

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