Active Aqua Submersible Water Pump, 250 GPH Media This natural trace mineral (NTM)

This natural trace mineral (NTM) rock salt from Redmond

The grills are constructed of a powder coated steel front grill with an impact resistant plastic rear grill

It features a conductivity range up to 3

Parboiled rice hull is a renewable resource that is a good alternative to perlite and vermiculite as well as being less dusty

Active Aqua Submersible Water Pump, 250 GPH Media This natural trace mineral (NTM)Active Aqua Submersible Water Pump, 250 GPH Product Details Choose a pump that was built to go below the waterline! Active Aqua's entire collection of pumps complete any grow setup. You can't beat the submersible line, as it is built for hydroponic systems. All of Active Aqua's submersible pumps include multiple hose fittings so you get an exact fit every time. Each pump's powerful mag drive construction includes removable foam filters, impellers,