Hanna Industrial Grade pH/TDS Controller w/Proportional Control of Fertilization commercial-lighting-fixtures Flower Footprint: 3 ft x

Flower Footprint: 3 ft x 3 ft

or just with a watering can

Controls up to 50 Devices - 0-100% Light Intensity - Compatible with VYPR 3

we had to challenge every assumption

Water level indicator

Hanna Industrial Grade pH/TDS Controller w/Proportional Control of Fertilization commercial-lighting-fixtures Flower Footprint: 3 ft xAdd this 2 in 1 pH and TDS controller engineered for economical dosage of fertilizer solutions in hydroponics to your growroom. The product measures pH from 0 to 14 and TDS from 0 to 1999 mg L (ppm). Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg L). The relays are activated when the pH exceeds the set point or TDS falls below the desired value. Two pumps or electrovalves can be wired directly to the controller and be