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Discuss water requirements, "soil" (growing media) and suitable planting containers

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By evenwind
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#438132
Give what you already have the vinegar test (cover a small amount of sand with vinegar and see if it bubbles. Pure silica sand won't bubble.)
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By MikeB
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#438141
If the sand is just silica (no other minerals), then it's chemically inert. It won't react with the acidic soil or water. evenwind's vinegar test is a good way to confirm this.

I used this sand in the past, when I didn't have so many plants. Now I buy big bags of filter sand from a local farm-supply store.
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By Intheswamp
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#438163
Mike, you're using the standard #20 grit pool filter sand?
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By Intheswamp
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#438184
If you've got it on hand already, I'd use it. It apparently is good stuff and the coarseness of it a good thing.
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By MikeB
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#438189
Intheswamp wrote: Tue Aug 01, 2023 1:22 pm Mike, you're using the standard #20 grit pool filter sand?
The stuff that I use is #12 filter sand, pretty coarse. It's from a company called Southern Products & Silica Co., located in the Sandhills region (naturally) of North Carolina.
NC ecoregion boundaries.jpg
NC ecoregion boundaries.jpg (47.05 KiB) Viewed 1885 times
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By Intheswamp
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#438190
Oh well, I was hoping you were going to give regular #20 a passing grade. All the filter sand that I've managed to find around here is 20 grit. :|
Thanks for the reply, though! :)
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By MikeB
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#438225
Intheswamp wrote: Wed Aug 02, 2023 4:18 am Oh well, I was hoping you were going to give regular #20 a passing grade.
A few years ago, I got a flytrap from a grower in New Jersey. He had mixed #20 white silica sand in the soil, and the plant grew well. I've seen wild flytraps growing in sand so fine it was like powder. #20 pool filter sand is acceptable (much better than no sand at all, in my opinion).
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By Intheswamp
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#438226
Before I do my next growmix mixing I'll grab a bag of pool sand. Thanks for the feedback.
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By dizzle
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Joined:  Mon May 29, 2023 10:50 pm
#438235
I have been using a mix of CaribSea Super Naturals Crystal River + Peace River. It's a little pricey but it's widely available and seems to work fine.
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By andynorth
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#446230
dizzle wrote: Thu Aug 03, 2023 2:43 pm I have been using a mix of CaribSea Super Naturals Crystal River + Peace River. It's a little pricey but it's widely available and seems to work fine.
Is this the stuff you use or the coarser stuff? I notice they have a couple different ones.
https://www.amazon.com/Carib-Sea-Super- ... B00C892B8K
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By dizzle
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#446583
In my experience Ceph leaf pullings
andynorth wrote:
dizzle wrote: Thu Aug 03, 2023 2:43 pm I have been using a mix of CaribSea Super Naturals Crystal River + Peace River. It's a little pricey but it's widely available and seems to work fine.
Is this the stuff you use or the coarser stuff? I notice they have a couple different ones.
https://www.amazon.com/Carib-Sea-Super- ... B00C892B8K
I use a 50/50 mix of these 2:
https://www.amazon.ca/Caribsea-Naturals ... B005QTEO66
https://www.amazon.ca/Carib-Sea-ACS0083 ... B0002APMU6
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