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total dissolved solids (TDS) and temperature
Now comes in a bulk pack too
Crab Meal is a superb source of organic nutrients for vegetable gardens and flower beds and is wonderful for building soil tilth
The Quest Dual 105s are plug and play
HM Digital Waterproof pH Meter hm-digital-ec-tds-hydrotester-model-com-80 total dissolved solids (TDS) andMeasures pH and temperature. Auto ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 014 pH with a waterproof housing. Digital automatic calibration (one point), with digital fine tuning. Auto off, data hold functions and low battery indicator. Display: large and easy to read LCD screen includes simultaneous temperature reading. Factory calibrated with three point