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- ALL AUTOS BABY and some photos
thetreeman that is hardcore brother for ph down. What do you use for ph up?I use battery acid from auto parts store to ph down, dont spill it tho! I dilute significantly from concentrated strength, use 1 cup acid in a 2 liter soda bottle and then fill the rest of the way with water, makes it dilute enough you arent going to hurt yourself if you get some on your skin.