772 Checker
The HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, but it also acts as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI772 provides quick, accurate results in four easy steps
Hanna Instruments
Marine Coral Care Kit w/Reagents (772 Alk, 758 Cal, 783 Mag) – Hanna Instruments
Original price was: $194.99.$48.74Current price is: $48.74.






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