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Fri, Mar 30, 12 at 10:42
| I have a recipe from this list that I got on the Hosta forum that calls for lime. I haven't been adding it.
As I understand it, lime makes for a more alkaline mix. Do I have this right? Our water is alkaline, so wouldn't I want to skip the lime? bkay |
Follow-Up Postings:
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- Posted by fortyonenorth 6b (My Page) on Fri, Mar 30, 12 at 12:44
| Depends on several factors. First, you don't mention the components of the mix. If it's heavy on the bark and peat, the pH will be low. By way of example, I mixed up an 8:1:1:1 blend of pine bark, peat, turface and perlite and the pH tested out to 5.4. If the mix is comprised of ingredients with a closer-to-neutral natural pH, then you may not require lime. Alkaline irrigation water will raise the pH over time, but it shouldn't be viewed as a substitute for lime when you wish to adjust your substrate pH in relatively short order. |
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| This is the one I'm using for hosta: 3 parts pine bark fines Thanks, bkay |
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- Posted by fortyonenorth 6b (My Page) on Sun, Apr 1, 12 at 10:22
| I'd definitely add the lime. |
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