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320 ppm before using calcium and alkalinity products
0-10V ports
Kink-resistant corrugated inlet hose with USA/metric PVC connector
Useful for cycling aquariums
Porous structure supports both nitrifying and denitrifying bacteria
Hanna Ammonia Checker Reagent - Marine Decorations 320 ppm before using calciumHanna Ammonia Checker Reagent Marine Hanna Ammonia Checker Reagent Marine HI784 25 is the replacement reagent set for the Hanna HI784 Marine Ammonia Checker, used to test ammonia in saltwater aquarium samples. HI784 Marine Ammonia Reagents Designed for the Hanna HI784 Marine Ammonia Checker. Includes the three replacement reagents needed for marine ammonia testing. Provides reagents for 25 saltwater ammonia tests. Prepared for use with saltwater and
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