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Using vinegar to lower PH in water.

  • by dabomb
  • Aug 29 2009 03:36 AM
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Posted 29 August 2009 - 03:36 AM

Would any harm come to my plants for using vinegar or lemon juice to lower the PH of my water? The local tap water is about 7.4. I suspect that trying to use lemon juice would be prohibitively expensive.
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  • kerenski
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Posted 29 August 2009 - 04:09 AM

i wouldn't recommend either... they do lower the pH... but only for a few hours, then it's back up... i'd stick with plain ol' pH-down... :D

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Posted 29 August 2009 - 04:14 AM

baking soda will lower it.
Tested water - 5.5
Added baking soda - 2.0:eek:

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Posted 29 August 2009 - 04:24 AM

baking soda will lower it.
Tested water - 5.5
Added baking soda - 2.0:eek:



That is a big jump. But baking soda is basic, not acidic. That's why it makes the volcano action, w/ vinegar, that most of us know as kids.

Edited by dabomb, 29 August 2009 - 04:27 AM.


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Posted 29 August 2009 - 04:27 AM

i wouldn't recommend either... they do lower the pH... but only for a few hours, then it's back up... i'd stick with plain ol' pH-down... :D


I was thinking more long term. To regularly lower the PH of the water I use. I ask because vinegar is cheap. My tap water is fairly high PH for this. About 7.4 according to the local water authority.

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  • Ace7644
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Posted 29 August 2009 - 04:44 AM

pff my tap water is like 8.5 or more. good thing im not growin, dont know what id do. but to give some useful info id sugesst goin to a pet store and just getting some pH down for like 4 bucks.

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Posted 29 August 2009 - 08:18 AM

baking soda will lower it.
Tested water - 5.5
Added baking soda - 2.0:eek:

Baking soda is a base, and therefore RAISES the pH.

As for the original post...
Vinegar works fine for soil grows, been using it for years.

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Posted 29 August 2009 - 07:18 PM

Baking soda is a base, and therefore RAISES the pH.

As for the original post...
Vinegar works fine for soil grows, been using it for years.



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