HM Digital Waterproof EC/TDS/Temperature Meter hydro-systems Another approach is to veg

Another approach is to veg and bloom plants only in this block

1/2" tubing for pumps

- Feeds up to 45 amps of controlled equipments (110-120V

as well as hydroponic gardens

DTPA/EDDHA Iron

HM Digital Waterproof EC/TDS/Temperature Meter hydro-systems Another approach is to vegHM Digital COM100 Water Quality Testing Meter. Waterproof. Measure EC TDS. Temperature Tester. IP 67 rating. Factory Calibrated. Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM 100 is a professional level EC TDS meter at an unbeatable price.