Growers Choice ROI-E200 grow media Water level indicator

Water level indicator

The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991

You must use the TMHDT104

-ON/OFF Switch

and offers a natural source of slow release nutrients

Growers Choice ROI-E200 grow media Water level indicatorThe ROI E200 is the newest member of the ROI E series. With its versatile compact design and high intensity 5k spectrum this fixture is excellent for commercial cultivators that need reliable low profile lights that perform excellent in all stages of growth and excel in veg. The ROI E200 was also designed to be a functional seed to flower fixture, for the hobbyist looking to cultivate a quality garden in limited space.