Before you make any purchases, you'll want to find out what your water ph is. An aquarium water ph test kit works ok. $6.00 or so. They're cheap, but fairly accurate. Best bet is a ph pen. I use a cheap Milwaukee ph pen, ($60.00 and up) but there's bunches of brands out there. Once you find out what adjustments are needed, General Hydroponics offers ph up, or ph down...likely you'll only need one of the two.
Rusty Trichome Reviewed by Rusty Trichome on . controling the ph hi, just a quick question. iv'e been growing awhile and have had okay crops, but have never learned to control the ph in the soil. could i get some feedback on how to raise and lower the ph, also what products to use? thank you. Rating: 5