ReefCan 40L Volume 40 Liters Height 55 cm Width 17 cm Length 50 cm

ReefCan 18L Volume 18 Liters Height 55 cm Width 9 cm Length 44 cm

Mantis DI cartridge Original part of the Mantis RO-DI V-2 osmosis unit

Mantis carbon prefilter Standard 10" prefilter, original part of the Mantis RO-DI V-2 osmosis unit

Mantis membrane 100GPD Standard membrane, original part of the Mantis RO-DI V-2 osmosis unit

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.