API's pH Aquarium Test Strips test a wide range of pH levels from 6.0 to 9.0. Just dip a strip directly into your aquarium, and use the color-coded chart to determine if your water is safe or if read more ››
Aquaforest TestPro Alkalinity is designed to quickly measure Carbonate Hardness(dKH) and Alkalinity(meq /L) in marine water. The recommended Carbonate Hardness level is between 6.5 and 8.0 dKH. This read more ››
The Hanna Marine Alkalinity Checker® measures alkalinity in dKH units, using a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the read more ››
The HI755-26 are the replacement reagents for the Marine Alkalinity Checker® HC - HI755. These high-quality reagents are manufactured in a state-of-the-art facility and are clearly marked with the read more ››
The HM Digital PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, read more ››
Measures pH and temperature with simultaneous temperature and pH display. Auto-ranging three point calibration with digital fine tuning. Includes 4 pH buffer solution in a sponge embedded in a clear read more ››
Neptune Systems single-use pH 7 calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration read more ››
Reagent refill for Red Sea Alkalinity PRO Test Kit. Enough reagent for 75 tests. Having reagent refills available, makes the ReaSea PRO line of test kits one of the most affordable high quality test read more ››
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