Brunob's latest activity
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BBrunob replied to the thread 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...
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BBrunob replied to the thread 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
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BBrunob replied to the thread 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
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BBrunob replied to the thread 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...