Coralife Deep Six Hydrometer Air pump A brine solution will not

A brine solution will not remove organics

harmful ammonia and nitrite build up from fish waste

The primary source of nitrogenous compounds in an aquarium is waste

Flow Rate: 220GPH

Coralife Deep Six Hydrometer Air pump A brine solution will notThe re designed deep six hydrometer with improved calibration and bubble diffuser ensures more accurate readings of your aquarium salt levels. Also includes a built in base so you can rest the hydrometer on a counter top or other flat surface when taking salt readings. Wide range specific gravity meter Coralife's Hydrometer takes a true water sample at six inch depth Easy to read and accurate this specific gravity meter is designed to give temperature