Salifert is known worldwide for the most accurate testing kits.
The reef hobbyist's choice for monitoring aquarium pH. Salifert pH Test Kit is accurate to approximately 0.2 pH units so you can monitor minute pH fluctuations. A stable, high pH level is crucial for healthy marine aquariums, especially reef aquariums where low pH can affect the growth of corals and coralline algae. For marine aquariums only.

Owner's Manual available for download in Adobe PDF file format
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