just make sure you add a bit then test/add test , if you make to acidic just add some tap water, because tap water is usually somewhere around 7 to 8 ph
greenman:D Reviewed by greenman:D on . need to lower pH A few days ago I asked how to raise my pH now I find out its 11, I need it to drop, what household items could i use to reduce it, anyone have a good recipe that won't kill the plants? any help appreciated Rating: 5