pH up and down?

I use sulphuric acid 37%. Bought 20L a while ago... :shrug:
But before that I used the pH-o-min from a swimming pool supplier. You just have to be sure it is sulfuric acid and not Hydrochloric acid as this will kill your plants. I have never had to use something to raise the pH so I can't help you there. :cheers:
 
I use lemon juice to bring my pH down. First run doing it, wondering if it is going to affect the flavor.
Hmmm I got a bunch of that....wonder if it's safer? Then the solution....I can get my hands on jugs of that shit...I'll have to check into that... cause my water is 9.8 pH and I need something more safe for my plants.... thanks
 
I use lemon juice to bring my pH down. First run doing it, wondering if it is going to affect the flavor.

Lemon juice isn't the right right acid for adjusting pH, it will not remain stable so the pH will fluctuate. Vinegar nor citric acid work either

Sulfuric or phosphoric acid are the only two for our means.
 
I use GH. I have zero issues. If you have some on hand I would use it until it runs out and then switch if you want to try something new. I don't think at this stage, that switching to another PH solution is going to magically transform anything.
 
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