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calibration
Blood Shrimp
Floating design means the inner piece rises if it detaches
Can improve color intensity
Handheld Marine Alkalinity Colorimeter frag calibrationHanna Marine Alkalinity Checker (HI772) The Hanna Marine Alkalinity Checker (HI772) is a digital colorimeter that provides fast, accurate alkalinity measurements for saltwater aquariums. It eliminates the guesswork of traditional color matching test kits by displaying a precise digital reading in dKH, making it an essential tool for maintaining stable water chemistry and promoting healthy coral growth. Features: Digital alkalinity testing for
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