General Hydroponics PRO pH Down 2.5 gal Thermometer/Hygrometer The high concentration of phosphorous

The high concentration of phosphorous encourages blooming and plays a vital role in plant metabolism

Includes mounting brackets with easy-to-follow instructions

This model includes a sensor input and can designate valve use to use with a rain sensor

air content

General Hydroponics PRO pH Down 2.5 gal Thermometer/Hygrometer The high concentration of phosphorousGeneral 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