Aquatic Life TDS Tester Pen Fish & Coral Food and suspended particles from the

and suspended particles from the aquarium water

and more LED power than the small version

It combines a scrubber side

the Coral Rack Nano is designed to look more like part of the reef structure

Cabinet colour: Black exterior with matching clean reef-system styling

Aquatic Life TDS Tester Pen Fish & Coral Food and suspended particles from theAquatic Life TDS Tester Pen Aquatic Life TDS Tester Pen is a handheld total dissolved solids meter for quickly checking source water, RO water, RO DI output, aquarium preparation water, and other water quality applications. Aquatic Life TDS Tester Pen for RO DI and Aquarium Water Checks This compact TDS meter helps aquarists monitor how much dissolved material remains in water before and after filtration. It is especially useful for checking tap