HM Digital HM-500 Continuous pH/EC/TDS/Temp Monitor Extraction Freezers 1 mL per gallon

1 mL per gallon

Organic Matter Derived From Composted Humus

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Potting Mixes: 2% of Total Volume

Tired of dealing with pH pens

HM Digital HM-500 Continuous pH/EC/TDS/Temp Monitor Extraction Freezers 1 mL per gallonThe HM 500 is the most versatile continuous monitor indicating EC TDS, pH, and Temp providing accurate and stable readings. With its rechargeable battery this unit is portable or can be wall mounted. To make it even more user friendly, it comes equipped with a touch screen, high and low alarm set points, and recorded readings. It is ideal for hydroponics and other applications such as labs, pools, aquariums, etc. Tests pH at a range of 0 pH 14 pH,