Ceramic Disk Cartridge - Leak-proof

The MC810 MAX Monitor automatically monitors and displays pH/TDS/Temp levels

72 inches (120 mm)

Optimum filtration up to 100 gallonsHolds up to 10 cups of water in the same space as 5-cup pitchersMeasures 10

weekend travelers

Hanna Marine Magnesium Checker HC - HI783 Water Quality Ceramic Disk Cartridge - Leak-proofThe first Magnesium test of its kind for saltwater aquariums, our Marine Magnesium Checker HC (HI783) is just what every reef tank owner needs. Struggling with test kits is now a thing of the past. Stop guessing or interpreting a color change by eye. Get a fast, accurate digital read out every time. Perfect for testing and measuring Magnesium levels in saltwater aquariums, reef tanks, and other marine and aquaculture applications. Easy to read,