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Friendly reminder just because your cheap meter is less than 2 months old, "calibrated", and displays numbers that change, does not mean it's accurate! : r/Autoflowers
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Friendly reminder just because your cheap meter is less than 2 months old, "calibrated", and displays numbers that change, does not mean it's accurate! : r/Autoflowers
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BlueLab pH electrode for. pH / COMBO / GUARDIAN Measuring and controlling - The online shop for Gardening
