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Are Concrete Blocks Toxic?

Travis Philp

gardener

Posts: 965

Location: ZONE 5a Lindsay Ontario Canada

posted 13 years ago

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I can't find information on this that has any 'authority'. Anybody know for sure? I have them lining a hay bale garden right now but am wondering if I should remove them. Thanks for any input.

http://www.greenshireecofarms.com
Zone 5a in Central Ontario, Canada

Brenda Groth

pollinator

Posts: 4437

Location: North Central Michigan

posted 13 years ago

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i wouldn't think so, however, you would not want to use them by any acid loving plants as they may leach out enough product to make the soil more alkaline.

Brenda

Bloom where you are planted.
http://restfultrailsfoodforestgarden.blogspot.com/

Jonathan Hontz

Posts: 36

Location: Denver, CO

posted 13 years ago

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Have a look at this thread: https://permies.com/t/13174/organic-sustainable-practices/Toxicity-Concrete

We discussed all sorts of issues related to concrete and it'll probably help.

http://falsedivision.wordpress.com/
Come. Read awhile.

M Marx

Posts: 58

Location: Los Angeles

posted 13 years ago

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I know a number of concrete producers are allowed to burn very toxic materials in the process of making concrete, so while it may not have a direct effect on you, concrete seems to be a bad industry

Travis Philp

gardener

Posts: 965

Location: ZONE 5a Lindsay Ontario Canada

posted 13 years ago

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The blocks I have are second hand, from a nearby basement renovation so the pollution produced by block production isn't an issue here as I see it but that is good to know.

http://www.greenshireecofarms.com
Zone 5a in Central Ontario, Canada

M Marx

Posts: 58

Location: Los Angeles

posted 13 years ago

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these might be of interest regarding concrete -- I just remembered where I had this info stored.

http://www.slate.com/articles/health_and_science/green_room/2011/11/cement_plant_pollution_leads_to_a_fight_in_chanute_kansas.single.html

http://earthjustice.org/news/press/2010/air-pollution-deal-reached-between-feds-13-states-and-leading-cement-manufacturer

http://www.rachel.org/files/rachel/Rachels_Environment_Health_News_1147.pdf

Any sufficiently advanced technology will be used as a cat toy. And this tiny ad contains a very small cat:

Our PIE page has been updated, anybody wanna test?

https://permies.com/t/369340/PIE-page-updated-wanna-test