I have a 3%mix on my truck that will be sitting for about a week and a half........how long will a mix last?
Also, I have 12.5% in my chem tank on my truck. How long until it goes bad if we had sunny weather (which we don't).
Depends on the surfactant, temperature, sunlight, etc... Try a test spot and see if it works, you might need to add a little SH to your mix just to strengthen it.
SH in a tank will last a long time if kept out of the sun and in normal temps.
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