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Hyacinth Plant

Q.Neem oil

Zone Templeton, CA 93465 | Anonymous added on June 5, 2018 | Answered

Can unused Neem oil and water mix be left in the sprayer until next use?

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Answered on June 6, 2018

It's best to mix only what you will use for immediate applications, then thoroughly rinse and pump clear water through the hose and nozzle. There are different formulations of neem oil; some will coagulate and/or coat and harden on the interior sprayer surface and clog the nozzle.

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