Search results
-
B
DIY PH Down from Sulfuric Acid. (Battery Acid)
I'm only growing tropical indoor plants so doesn't matter about food grade, but it's pure sulphuric acid with no impurities so I'm sure it would be- Brunob
- Post #168
- Forum: Do It Yourself
-
B
DIY PH Down from Sulfuric Acid. (Battery Acid)
My bad, I just re checked the price and it's for 1L, not 5L. It's from ebay- Brunob
- Post #166
- Forum: Do It Yourself
-
B
DIY PH Down from Sulfuric Acid. (Battery Acid)
Not where I live General Hydroponics pH Down Liquid Fertilizer, 1-Quart https://amzn.asia/d/aw9JFSL- Brunob
- Post #163
- Forum: Do It Yourself
-
B
DIY PH Down from Sulfuric Acid. (Battery Acid)
When it comes to using phosphoric acid and sulphuric acid to lower pH, is one better than the other? I can get 5L of 76% sulphuric acid for $55 and 5L of 85% phosphoric acid for $28. Which on is better value? Will I need to use less of the sulphuric acid compared to the phosphoric acid to...- Brunob
- Post #161
- Forum: Do It Yourself