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A local legend in Humboldt County: Big Up Powder is a premium bloom booster
100% blackout material
The Hydro-Pack will stimulate an optimal root development and protection by using organics in your hydro system
Adjustable TDS ratio and adjustable
HM Digital Waterproof EC/TDS/Temperature Meter Sea Green A local legend in HumboldtHM Digital COM100 Water Quality Testing Meter. Waterproof. Measure EC TDS. Temperature Tester. IP 67 rating. Factory Calibrated. Ideal 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.
