pH Adjustment

Concentrated pH adjustment liquid, alkaline buffer raises water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading and then test pH. Repeat the small application process and stir well, until the desired pH is achieved.

GroStar by Apera pH calibration kit (pH 4/7, 8 oz. each)

Kit includes:

 (1) 8 oz. pH 4.0 calibration solution

(1) 8 oz. pH 7.0 calibration solution

Kit Includes:

(1) pH 4.0 calibration solution 8 oz.

(1) pH 7.0 calibration solution 8 oz.

(1) pH 10.0 calibration solution 8 oz.

All-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probe

Microbe Life Hydroponics pH DOWN is formulated with R/O and UV sterilized water and combines two pH adjusters for buffered effectiveness. It contains three electrolytes to help maintain osmotic balance.