Amazon links for pH control


#1

Sponsored product links for products to adjust your pH.

http://www.amazon.com/General-Hydroponics-GH1514-Control-Kit/dp/B000BNKWZY?tag=greenrel-20

http://www.amazon.com/Hydroponic-pH-Down-Control-Kit/dp/B00TYW6Q58?tag=greenrel-20

http://www.amazon.com/Citric-Acid-Anti-caking-Satisfaction-Guarantee/dp/B00XI3OLW4?tag=greenrel-20