Waterproof pH/Temperature Meter plant-support and should always be submerged

and should always be submerged when heating water/nutrient solution

This is achieved by the geometry of its patented reflector

and will withstand the very toughest conditions

• Q-Max™ is extremely energy efficient which means a lower life time cost

It is critical that plants not only get sufficient nutrients but also in the appropriate ratio

Waterproof pH/Temperature Meter plant-support and should always be submergedHM Digital PH 200 Water pH Testing Meter. Waterproof. Measure 0 14 pH. Temperature Tester, IP 67 rating, Factory Calibrated, ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs and scientific testing, pools and spas, ecology testing, boilers and cooling towers, water treatment, wine, coffee, agriculture and more.