Hanna Marine Phosphate Ultra Low Range Checker® HI774 Frozen Foods • Ultra-clear aquarium glass

• Ultra-clear aquarium glass

Footprint = 9

Zooplankton and Rotifers

Per 3/4" frag

AI’s popular HD functionality

Hanna Marine Phosphate Ultra Low Range Checker® HI774 Frozen Foods • Ultra-clear aquarium glassThe Hanna Phosphate Ultra Low Range (0. 00 to 0. 90 ppm) 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.