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

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By tommyr
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Posts:  1736
Joined:  Mon Nov 02, 2009 1:38 am
#442851
I have to laugh at all the perlite haters. It doesn't magically float up through the soil you know. Sure, the stuff on top might float but that's all. It's great stuff for drainage and aeration of the mix.
By htbm
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Posts:  41
Joined:  Sun Aug 06, 2023 10:26 am
#442852
No, it doesn't magically float up through the soil. It is a quite physical, non-magical process, driven by the fact that perlite is less dense than water and the soil is [mostly] not. So unless you're careful to water very slowly so there's little or no chance of particle suspension it will push up over time due to buoyancy.
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By Intheswamp
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Posts:  3108
Joined:  Wed May 04, 2022 2:28 pm
#442860
@Panman, have you looked for any "Dry Stall" up your way. Looking online around here I haven't found any. I'll have to get my daughter or SIL to check with their horse network of folks and see if anybody has seen it sold in the area.
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By Panman
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Posts:  6231
Joined:  Wed Mar 04, 2020 8:41 pm
#442863
I don't think that they are in business any more. I can't find a manufacturer's site. The domain is no longer active and the Facebook page has been hijacked. Bummer.
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By andynorth
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Posts:  1197
Joined:  Fri May 12, 2023 9:08 pm
#442867
tommyr wrote: Wed Nov 22, 2023 8:27 pm I have to laugh at all the perlite haters. It doesn't magically float up through the soil you know. Sure, the stuff on top might float but that's all. It's great stuff for drainage and aeration of the mix.
Yes, But when it turns green and slimy and disgusting looking I have issues with it.
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By andynorth
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Joined:  Fri May 12, 2023 9:08 pm
#442868
Panman wrote: Wed Nov 22, 2023 9:58 pm I'm ordering some from here https://www.generalpumice.com/shop. $10/gallon. Not cheap but I'll see what it does.
What about this? Same price. Looks similar to what you are getting. Either way let us know the results.
https://www.amazon.com/Gallon-Garden-Pu ... F0aWM&th=1
By htbm
Location: 
Posts:  41
Joined:  Sun Aug 06, 2023 10:26 am
#442870
Yikes. That's like 2X+ what I paid. This is what I have:

https://www.ebstone.org/product/pumice/

It was 8 quarts (2 gallons) for like $7.25+tax from a local hardware/garden store. Maybe try their "Find a Store" and see if any of those stores are close or will ship to you?
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By Panman
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Joined:  Wed Mar 04, 2020 8:41 pm
#442873
andynorth wrote:What about this? Same price. Looks similar to what you are getting. Either way let us know the results.
https://www.amazon.com/Gallon-Garden-Pu ... F0aWM&th=1
Same stuff and same company.
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By Intheswamp
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Posts:  3108
Joined:  Wed May 04, 2022 2:28 pm
#442875
Where are you located? West of the Rockies? It makes a difference. :)
htbm wrote: Thu Nov 23, 2023 12:58 am Yikes. That's like 2X+ what I paid. This is what I have:

https://www.ebstone.org/product/pumice/

It was 8 quarts (2 gallons) for like $7.25+tax from a local hardware/garden store. Maybe try their "Find a Store" and see if any of those stores are close or will ship to you?
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By Intheswamp
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Posts:  3108
Joined:  Wed May 04, 2022 2:28 pm
#442892
elaineo wrote: Thu Nov 23, 2023 4:08 am
andynorth wrote: Thu Nov 23, 2023 3:32 am I have several locations near me. Will have to give it a try.
You have actual volcanoes near you! can you harvest pumice straight from the source?
I was thinking some of the western beaches were pumice sand so went on a search. Pumice apparently is a strange phenomenon in some situations... First thing is that it floats...I thought it would sink. :? There are giant "rafts" of it floating around the ocean(s?). It has something to do with the creation of "raised beaches". And I already knew it came from volcanoes. So, there...everybody knows as much as I do now. :lol:

One tip on harvesting it at the source....let it cool down first! :mrgreen:
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By andynorth
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Joined:  Fri May 12, 2023 9:08 pm
#442905
elaineo wrote: Thu Nov 23, 2023 4:08 am
andynorth wrote: Thu Nov 23, 2023 3:32 am I have several locations near me. Will have to give it a try.
You have actual volcanoes near you! can you harvest pumice straight from the source?
Actually, yes I do. Mt. Rainier, Mt. Baker, Mt. St. Helens, 3 Sisters in Oregon. Several more I can not recall the names of. I live near the Cascade Mountains. https://en.wikipedia.org/wiki/List_of_Cascade_volcanoes
:D :D :D
Happy Thanksgiving
Last edited by andynorth on Thu Nov 23, 2023 6:08 pm, edited 1 time in total.
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By MikeB
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Joined:  Sat Apr 25, 2020 4:13 pm
#442911
andynorth wrote: Wed Nov 22, 2023 10:40 pm Yes, But when it turns green and slimy and disgusting looking I have issues with it.
My plants sit outside year-round under an open sky, so perlite (and peat moss) washing out of the pots became an issue very fast. I solved it by putting a thin top layer of LFS on the pots (after soaking it in water). The moss cover holds the soil in place and also helps retain water. My plants have sat through hurricane downpours with nothing washing out of their pots. A layer of sand on top does the same thing. I've seen people putting pine straw on their pots and bog gardens (mostly Sarracenia) without any issues.
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