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Sanitizing Greenhouse

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Sanitizing Greenhouse

Post  audrey.jeanne.roberts on 1/19/2015, 3:50 pm

When the winter is over, and I have things growing in my garden I would like to sanitize/sterilze my greenhouse as I've had some recurrent black mold and powdery mildew issues.  Does anyone have any suggestions on how best to do this?

I intend to remove most of the plants that are in there and start fresh.

I have a packed wood chip floor

Plastic tarp type walls

I don't want anything that won't be organic once sprayed on the soil etc.  

HELP!  I tried searching but all it brought up was looooong greenhouse threads that weren't necessarily about this single issue.

Thanks in advance,
Audrey
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Re: Sanitizing Greenhouse

Post  sanderson on 1/19/2015, 4:14 pm

First thing that comes to mind is Oxyclean.  It claims that it won't hurt plants.  Well dissolved in hot water, cooled some, then used in the hose sprayer bottle (which always drips on my feet).  Hydrogen peroxide. I know 1-2 ppm of chlorine is used for swimming pool and drinking water.  I'm going to research this more.
http://extension.umass.edu/floriculture/fact-sheets/cleaning-and-disinfecting-greenhouse


Last edited by sanderson on 1/19/2015, 4:45 pm; edited 1 time in total (Reason for editing : Added a link)
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Re: Sanitizing Greenhouse

Post  camprn on 1/19/2015, 4:17 pm

1:10 bleach:H2O solution. Use it, let it sit a while, then rinse or wipe it away.

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Re: Sanitizing Greenhouse

Post  audrey.jeanne.roberts on 1/19/2015, 5:06 pm

That's what I was thinking. What happens if it drips on plants or soil?
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Re: Sanitizing Greenhouse

Post  camprn on 1/19/2015, 9:44 pm

http://extension.umass.edu/floriculture/fact-sheets/cleaning-and-disinfecting-greenhouse

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