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Negative ions...

This is a discussion on Negative ions... within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; This is a very bad idea. Negative ion generators create ozone, and ozone is a ...

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  1. #11
    SteveT's Avatar
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    This is a very bad idea.

    Negative ion generators create ozone, and ozone is a chemical which highly reduces plant growth by over 50%.

    Quote Originally Posted by mde
    Anyone out there besides myself using air ionizers to prevent disease in their growing areas? For those that aren't familiar, air ionizers generate millions of negatively charged ions that attach themselves to particulates in the air, including viral, bacterial, etc.....this kills them and they drop out of the air. This simulates the effects of a lightning storm, and it helps create clean, fresh air. I've read that the key to them working is good dispersal. Instead of buying a more expensive one that has a built in fan dispersal, I bought a basic one and strategically placed it so that when my fan kicks on, so does the ionizer, and they are in direct line of each other. This happens about 5x/day for 1/2 to 1 1/2 hours each. I have no idea if it's actually doing anything, but since air quality is so important for orchids, I thought it couldn't hurt. So, has anyone read anything about these in association with orchid growing? It just seemed to make common sense, but I haven't seen this mentioned by any growing texts or websites I've been on.

    Matt

  2. #12
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    mde
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    My understanding from the research I have done is that is not necessarily true. O2 and O3 (ozone) are produced differently, and some of the room ionizers allow you to choose between the two. I am very environmentally conscious and would not consider producing ozone in my living area. At any rate, running one has certainly had no negative effect on the growth of my orchids. They are as happy and healthy as they have ever been.
    Matt

  3. #13
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    Science, like all things, is to a degree. Ion generators will produce O2, O3, O4 all the way up to a rare O8, the question is what percentage. If it is a normal distribution, 68% will be O2, and 27% will be O3, 5% will be O4+.

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