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Old June 19, 2018   #1
mobiledynamics
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Default Daconil / Copper SettleMent

1st year using fung. to maximize crop.

Some observations. My sprayers - the bottom 4 corners has small divots - more like 3" oval depressions. Anyhow, with leftover Daconil and shaking it before spraying, the settled daconil does not budge, even after vigor-us shaking of it. Don't really notice it when the sprayer has liquid. More like after emptying it to rinse it clean, does one notice. Took a 2 Quart saucepan, boiled medium hot water, poured it in, let it sit for 20 seconds, shake. No dice. Emptied out the sprayer again and just used a strong pencil pattern on the hose nozzle which got rid of the settled daconil mix. A good analogy would be like wet cornstarch/flour. When it falls out of suspension even though in liquid, it's quite tenacious.

Since these fung. concentrates are technically a liquid product, I was not expecting the settlement


My copper sprayer I've yet to use up yet . Not sure if I will see similar/same behaviour.

Anyhow, like most chems, it looks like it may be best practice just to mix up what one may think they may use in a spray session and try ~not~ to have any leftover.

I did not mix alot as I know mix rotation/age is important. It's just interesting how the settled product is -conjealed --- bad description--, let's say it get's into a viscuous slurry, that settle in these divots. Shaking does affect it. Hot water does not affect it. A strong isolated blast does....which mean this stuff is thick and somewhat tenacious once settled.

For those more famiiar, care to share some info

Last edited by mobiledynamics; June 19, 2018 at 01:21 PM.
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Old June 19, 2018   #2
mobiledynamics
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Called Daconil. Mixed product is best with 24 hrs.
(fungacide noob here)

Last edited by mobiledynamics; June 19, 2018 at 01:09 PM.
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Old June 19, 2018   #3
Dewayne mater
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I thought I'd heard not to mix Daconil with anything, but I'm not sure of where that was said.
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Old June 19, 2018   #4
mobiledynamics
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daconil and copper are in separate sprayers
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Old June 20, 2018   #5
KarenO
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Who will be eating this “maximized crop” treated repeatedly with systemic fungicide
Throughout the season?

https://www.gardentech.com/-/media/f...ntrate-sds.pdf

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Old June 20, 2018   #6
ginger2778
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I hate Daconil,I will never use it again.
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Old June 20, 2018   #7
mobiledynamics
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Ging. I know ur a copper use. Same issues as OP. Or are you the latter- where best practice is to use up what you mix immediate.
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Old June 26, 2018   #8
mobiledynamics
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Update. Copper spray can does not exhibit said issues. Just used up some that was mixed up about 1 1/2 weeks ago and doing the same rinse/cleanout, no traces of settled product on the bottom.
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