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    Thread: Mixing bug spray and weed killer

    1. 05-02-2012 02:30 PM #1
      I need to do both. Round Up and Ortho (general bug killer).

      They will go over the same areas. Is it a bad idea to mix them in the sprayer? Any chemical experts here?

      If I can't, how long should I wait for one application and then the other? Which should go first?


    2. Banned
      Join Date
      Feb 25th, 2004
      E30 Cab & 1.8T Golf
      05-02-2012 02:57 PM #2
      Don't do it.

      Typically, you would use one sprayer for herbicides and another for fungicides/pesticides.

      All sorts of chemical reactions can occur by mixing chemicals in a sealed container. However, you may read the directions and see if it is recommended to mix what you are using. Check both labels and compare active ingredients.

      Waiting a few days between applications should be fine.

    3. Member barry2952's Avatar
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      Jun 13th, 2007
      Farmington Hills, MI
      05-02-2012 03:58 PM #3
      Good advice.
      Garmin Is My Pilot.

      I am confident you are wrong, but instead of illustrating why, I will just make disparaging remarks about your reading comprehension.

    4. Member unimogken's Avatar
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      Jan 19th, 2005
      South of Jazzydub, WA
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      05-02-2012 07:43 PM #4
      I'd totally buy an all in one bug/weed killer if there was such a thing.

      I'd avoid mixing them as mentioned above!
      I really wish everyone would update their location in their profile!

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    5. Geriatric Member ATL_Av8r's Avatar
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      Oct 17th, 2002
      05-03-2012 09:40 AM #5
      Quote Originally Posted by unimogken View Post
      I'd totally buy an all in one bug/weed killer if there was such a thing.

      I'd avoid mixing them as mentioned above!
      Yeah, I'm thinking if they were safe to mix, you'd be able to buy it somewhere
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    6. 05-04-2012 12:30 PM #6
      What's the worst that could happen?

      Oh, yeah...

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