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Dr Tims is a all natural answer to eliminate green and brown grunge and cyanobacteria
very small and precise dosages of feed quantity possible
Size is approximate only
Small - 12cm
Phosphorus ULR Checker Marine - Hanna calcium Dr Tims is a allThe Hanna Phosphorus Ultra Low Range (0 to 200 ppb) HI736 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.
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