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Single 1/4" Hanging Ratchet Light Hanger (1 ratchet per box)
Easy blade replacement
• Use in any type of compost brewer
and bubble and AeroPonics
A local legend in Humboldt County: Big Up Powder is a premium bloom booster
HM Digital Waterproof EC/TDS/Temperature Meter Sea Green Single 1/4" Hanging Ratchet LightHM 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.
US$ 19.25
US$ 15.00
US$ 21.75
