Is copper supposed to be in solution to be effective? If yes, how to keep the copper in solution after application?

As far as I know the plant absorbs the mixed solution that has been applied to plant. Any left over solution after application, I throw it away. I do not feel that left over solution sitting on a shelf for a period of time, would be as affective as a fresh mix. Hope that answered your question.

Product Dimensions	13.97 x 5.08 x 17.78 cm; 907.18 g
Part number	029030
Manufacturer	Southern Ag
Item model number	029030
ASIN	B004QJ1LWM

Liquid Copper Fungicide 32oz Quart

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