Method Seven RESISTANCE HPS Plant Support Digital meters show high levels

Digital meters show high levels of CO2

Autopilot PX series controller compatible

and 8×8 ft

and 480V versions

It has been specifically designed to control the pH in mixing tanks for fertilization

Method Seven RESISTANCE HPS Plant Support Digital meters show high levelsMethod Seven designs high quality glasses and photo filters for indoor and outdoor growing environments. Our grow room glasses provide true color in bright lighting and are optimized for each of the standard grow lighting spectrums. Lens Technology Perfect Color HPS grow room glasses are the go to optical tool for indoor horticulture under high pressure sodium lights. These mineral glass lenses are infused with rare earth elements to filter the grow