GENERAL HYDROPONICS PH PRO DOWN 2.5 GAL ME The RainSelect is equipped with

The RainSelect is equipped with a Thumb Control shut-off valve

Ceramic micromole output within the PAR spectral range (Photosynthetic Active Radiation)

and can be used at any time to dissolve mineral and salt buildup

It’s safe for plants and effective for use in soil & soilless media

In trace amounts

GENERAL HYDROPONICS PH PRO DOWN 2.5 GAL ME The RainSelect is equipped withGeneral Hydroponics Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non corrosive and non