Quote Originally Posted by maik

If you don't want to use pH down, and you're in the know of how much your pH is off, you sould use those Sodium Hydroxide pellets for cleaning the drain, be careful for yourself, and your plants! But it works.
Um, no... NaOH would RAISE the pH. And you should use a liquid pH up/down to avoid getting 'hot spots' in the soil where the pH is off. That will give you some funky symptoms that are hard to diagnose if you haven't seen it before.

And lime is also a pH up additive.
stinkyattic Reviewed by stinkyattic on . Adjusting pH Hey, sorry for asking as i could probaly find it. But, the search on this website dosn't let you search such small words "pH" maybe someone should change this anyhoo I wana lower the pH of my water can I use viniger. or is there anything else i can use around the house so i dont hav to go buy pH down thanks Rating: 5