Hanna Industrial Grade pH/TDS Controller w/Proportional Control of Fertilization Garden Accessories Amend any potting soil with

Amend any potting soil with this micronized vegetative nutrient to activate the aromatic power of your garden’s natural terpenes

It provides odor neutralization for a room up to 10

The Seabird Gauno delivers the big phosphorous and calcium push necessary to maximize yield

they are a collection of different compounds all with similar characteristics

• 120V/15A input with resettable breaker

Hanna Industrial Grade pH/TDS Controller w/Proportional Control of Fertilization Garden Accessories Amend any potting soil withAdd 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