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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
• Tag slots available on some sizes
What contaminants does the GroGreen filter reduce
Includes informative booklet with lighting recommendations
000 Watt Capacitor for Premium Ballast 20¾” x 6¾” x 6″ 17 lbs 20
Please note that this item is special order
Hanna Industrial Grade pH/TDS Controller w/Proportional Control of Fertilization meters-&-solutions • Tag slots available onAdd 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
