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Tank volume - 45 l
CMH is perfect for growing high quality produce and essential oil extraction
Unlike most other reflectors
it cannot read the solution
Tray of 77 large
PH-200 Waterproof pH/ Temp Meter - HM Digital Measuring Tools Tank volume - 45 ldeal 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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