It's important to know what species of plants you have, because some require more specific pH values (not all plants are equal). That being said, to lower the pH, I use Miracid, which is readily available in any nursery-type store in Ottawa, Canada, where I live. If I'm transplanting, I mix a lot of peat moss into the soil. For rhododendrons and azaleas I mix in crushed oak leaves. Pine needles will do as well. Another option is something I've never tried but just thought of: mix in a few (or maybe more) drops of vinegar into the watering can.
2006-12-21 16:10:32
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answer #1
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answered by Peter V 1
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To lower the PH you must an an acid to the soil. Try vinegar. But a small amount with water.
2006-12-21 22:24:09
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answer #2
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answered by rlbendele1 6
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Hi,
I've used, vinegar, lemon juice, alum (aluminum sulfate), sulfuric acid (such as you would put in a car battery), meric acid (like you etch cement with, or treat your swimming pool with), vitamin C (ascorbic acid), any kind of citrus acids.
Get phosphoric acid at a swimming pool store, it's used to lower the pH of pool water.
There's probably more, but can't think of at this time.
Hope this helps,
Dave
2006-12-22 03:18:36
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answer #3
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answered by what'sthis4 4
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Careful with the vinegar. It is a natural herbicide, too much will kill your plants. For acid loving plants here in SC (azalea, camelia, gardenia) we use Epsom Salts sprinkled around the drip line. Cheap and effective. good luck.
2006-12-22 05:35:38
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answer #4
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answered by reynwater 7
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use sulfur, diluted vinegar,or even soft drinks can be used as the carbon bubbles form carbonic acids.,
2006-12-22 01:16:06
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answer #5
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answered by of Light 4
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