I have not seen that here, of course I would shake up before using. Never saw anything come out of solution. I had one bottle 7 years. I do keep at room temp. It always did the job I needed it to do. If I don’t spray my grapes will become infected. Not sure what it is? mummification or powdery mildew. It kills the grapes. Sulfur will stop it from spreading, but I try to avoid getting it with at least a couple preventative sprays.
Maybe this different brand will keep better. I kept it in the heated basement, too. The kind I used to get was no longer available in Wisconsin, so I ordered about six bottles of pet dip from chewy.com, I believe it was called. It seemed to do the job.
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Newer posts seem to indicate that it is the same strength.
I have a small bottle that I ordered from one of the online pet sites.
The bottle split. Thank goodness I had stored it in a ziplock - but what a mess.
I had to transfer it to a small glass jar. Stinky Stuff. And very ‘colorful’.
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