Hanna HC - HI736 - Marine Phosphorus Ultra Low Range Checker® Fragging Equipment magnesium oxide

magnesium oxide

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Held in place by strong rare earth magnets for use on tanks up to 5/8" (16mm) tank wall thickness

The low-profile wet side and strong neodymium magnets let you scrub or scrape away tough algae buildup — without ever putting your hands in the water

Hanna HC - HI736 - Marine Phosphorus Ultra Low Range Checker® Fragging Equipment magnesium oxideThe Hanna Phosphorus Ultra Low Range (0 to 200 ppb) Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine ion concentration. Professional