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The ADWA pH meter allows you to have complete control over the quality of your nutrient solution, allowing you to measure the acidity in your water. It has an LCD screen which displays the results.
Its sensor also has a temperature compensation feature that allows you to get immediate, 100% accurate results when kept clean and calibrated.
These pH meters can be automatically calibrated using a pH4 and pH7 liquid with its CAL button; you’ll need to do this once a month in order to keep it in perfect conditions. If you do not keep it calibrated you’ll be giving your plants incorrect pH levels, which could cause nutrient deficiencies or excesses.
Its see-through sensor looks like a small bulb, and you’ll need to keep it humid. We recommend filling the lid with filtered water and storing it vertically. If the sensor dries out for too long it may produce incorrect readings.
WARNING: This meter is not waterproof. Only the tip of the sensor can be submerged.