D-D Pen Type Digital TDS Meter Filter Media 2ml up to 1000ml in

2ml up to 1000ml in increments of 0

The more air and the smaller the bubbles in contact with the water

but fell short of the beauty and table top shape of the Tonga Shelf Live Rock

Reef foundation Acontains blended salts of Calcium and Strontium in the ration required by corals and is part of Red Sea's complete Reef Care Program

D-D Pen Type Digital TDS Meter Filter Media 2ml up to 1000ml inA TDS Meter measures the amount of Total Dissolved Solids (TDS) in a solution. This is used to determine the purity of the water produced by your RO unit and will give an indication of when your DI resin or membrane life is coming to an end. It also is a handy digital thermometer to measure or calibrate the temperature of your tank. Since dissolved ionized solids like salts and minerals contribute to the conductivity of a solution, a TDS meter