edge Compatible Digital DO/Temperature Electrode Water Pumps & Irrigation Supplies Flood and drain setups are

Flood and drain setups are not recommended to exceed 64'

Par: 1980 µmol/s

It even tells you when to change your grow bulb

Item # Description Product Dimension Net Lbs Box Dimension Gross lbs CS/QTY UG-GS1000/DE UltraGrow – 1

US5002272 - PAR=1950 μmol/s

edge Compatible Digital DO/Temperature Electrode Water Pumps & Irrigation Supplies Flood and drain setups areThe HI 764080 is a digital dissolved oxygen electrode with built in temperature sensor. This ultra thin, Clark type polarographic electrode is designed for measuring DO in aqueous solutions and contains a built in microchip that stores sensor type, serial number, and calibration information. The sensor features a platinum cathode with a silver silver chloride anode, an integrated temperature sensor, and easily replaceable PTFE membrane caps. This