• Q-Max™ is extremely energy efficient which means a lower life time cost
This is achieved by the geometry of its patented reflector
1848μmol/s PPF
worm castings
It is critical that plants not only get sufficient nutrients but also in the appropriate ratio
Waterproof pH/Temperature Meter plant-support • Q-Max™ is extremely energyHM 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.