Inline TDS meter A TDS Meter measures the amount of Total Dissolved Solids (TDS) in a solution. Since dissolved ionized solids like salts and minerals contribute to the conductivity of a solution, a TDS meter measures the conductivity of the solution which is then converted to a TDS reading.

RO filter Osmoseur MYAQUA 1900 Reverse osmosis system myAqua 1900 quickly and effectively filters up to 99% of salts, bacteria and pollutants (such as nitrate, phosphate and heavy metals) from tap water, making it safe for use in any saltwater or freshwater aquarium. myAqua 1900 achieves a water yield of up to 1:1 and contains only natural filter...