John Guest Inline Shutoff Valve, Pack of 10 Reducers Recirculating Pump: Pumping Speed: 20

Recirculating Pump: Pumping Speed: 20 liters per minute

Recommended for hydroponic use

they have to have a very high number of colony-forming units per gram

Disodium Octaborate

Hydroponics - Use 5 mL per gallon in your reservoir

John Guest Inline Shutoff Valve, Pack of 10 Reducers Recirculating Pump: Pumping Speed: 20Easily incorporate a shut off valve into a system to isolate the supply for service and maintenance. JG Push fit technology makes connecting tubing quick and easy. Shut off valves are manufactured in white polypropylene with food grade EPDM seals. These valves have been developed to satisfy the filtered pure water market. Features & Benefits For use with plastic or copper OD sized tubing Quarter turn to open or close White Polypropylene body, EPDM