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127mm Alu Ducting (3 Meters)
Unlike most other reflectors
Tray of 77 large
simulated sunrise/sunset with a timed fade to and from full brightness and automatic dimming if grow room temperature parameters are exceeded
PH-200 Waterproof pH/ Temp Meter - HM Digital Measuring Tools 127mm Alu Ducting (3 Meters)deal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. HM Digital HMDPH200 meters come factory calibrated and are ready to use. They are designed to stay consistent. However, after prolonged usage, it may help to recalibrate your meter using a
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