HM Digital Hydromaster 500 - Continuous pH/TDS/EC/Temp meter fans-ventilation-ducting Use this kit and our

Use this kit and our free DIY nutrient E-Book and you will have healthy soil and healthy plants

The fabric keeps dust and liquids out while allowing air to flow freely

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which contribute to their antioxidant properties and support a healthy immune system

with increased monitoring during cooler months when rodents seek shelter

HM Digital Hydromaster 500 - Continuous pH/TDS/EC/Temp meter fans-ventilation-ducting Use this kit and ourDescription HM 500 HydroMaster: EC TDS, pH, Temp Continuous Monitor The HM 500 is the most versatile continuous monitor indicating EC TDS, pH, and Temp providing accurate, stable readings the user can rely on. With its rechargeable battery this unit is portable or can be wall mounted.. To make is even more user friendly, it comes equipped with touch screen, high and low alarm set points, and recorded readings. It is ideal for hydroponics and other