Titan Controls Atlas 7 250 ML HI1285-6 polypropylene body amplified pH

HI1285-6 polypropylene body amplified pH electrode with built-in EC/TDS and temperature sensors

It will last you YEARS of trouble free growing

and solubilize insoluble forms of phosphorous

The TrolMaster DST-2 Temperature control modules allow the user to easily connect and control standard heating or cooling devices to the Hydro-x

And it has to be in the correct ratios

Titan Controls Atlas 7 250 ML HI1285-6 polypropylene body amplified pHSelect CO2 ppm levels at 1000 ppm, 1250 ppm or 1500 ppm. Integrated photocell. Built in calibration feature. Single button control. Enclosure resists dust, rust and moisture. 5 Amps maximum 120 V 60 Hz.