• Enhances metabolism
Derived from Bat Guano
Hydrofarm's Raptor reflectors were designed with our customers' needs in mind
The rockwool will last for the life of your plant
the Xtrasun line of ballasts includes built-in hot restrike programming to protect your lamp and ballast in the event of a power outage
HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter eligible-for-discount • Enhances metabolismIdeal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM 100 is a professional level EC TDS meter at an unbeatable price. Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature. UPGRADED: Four scales: S, mS, ppm, ppt