HM Digital Hydromaster 500 - Continuous pH/TDS/EC/Temp meter books-&-videos Made in the USA with

Made in the USA with guaranteed durability

select a sunny spot in your garden that receives at least 6 hours of direct sunlight each day

The CVO-10 is equipped with a heating cutoff system that will automatically stop power to the heaters when the oven shelf temps exceed 392°F or 200°C

it also offers a propagation area for growing

Minimum Order Quantity of 10 Cases

HM Digital Hydromaster 500 - Continuous pH/TDS/EC/Temp meter books-&-videos Made in the USA withDescription 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