D-D Pen Type Digital TDS Meter Filter Media add directly into a strong

add directly into a strong current area

thus promoting denitrification there

total excital required 300ml

Phosphate is a consequence of fish waste and while it is essential for life

2ml up to 1000ml in increments of 0

D-D Pen Type Digital TDS Meter Filter Media add directly into a strongA 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