TDS Monitor Options:Double Inline This species thrives as mated

This species thrives as mated pairs in moderate lighting and demands precise water conditions—avoiding copper

now featuring 4 directions of vertical and horizonal flow

100% recyclable polypropylene

or even overflows we will

Just like the ReefLED light fixture

TDS Monitor Options:Double Inline This species thrives as matedThe SM 1 Single Inline TDS Meter from HM Digital measures the TDS of a single water line. This is a great tool to monitor the TDS of your reverse osmosis system. Common monitoring locations include pre system, post membrane or post DI stage. This unit features a digital display and comes with a 1 4" GA Murdock Quick Connect Tee with double o rings to ensure a proper seal. As with all HM Digital products, the SM 1 comes factory calibrated.