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Derived from Bat Guano
sending it into an intense flowering cycle
The rockwool will last for the life of your plant
Water saving polymers save water and the leaching of nutrients
Hydrofarm's Raptor reflectors were designed with our customers' needs in mind
HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter eligible-for-discount Derived from Bat GuanoIdeal 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
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