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Potassium - 40 Tests
perfect for the small to medium reef tank
The Curve range features precise outflow adjustment and the very quiet Rock SP pumps with needle-wheel impellers to deliver excellent performance at affordable prices
Refill Pack for Red Sea Nitrate Pro test kit
D-D Pen Type Digital TDS Meter Bubble Magus Potassium - 40 TestsA 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