To make a good tank mix, the order of pesticides and spray adjuvant addition is important.

Three important points of a compatible solution:

1. physically organized mix, 
2. no chemically deacitivity,
3. no injury on plant caused by thus mix.

Below is a guide for pesticide tank mix. Read the pesticide and adjuvant label first. If no mix order on it, then do the mix according to the steps below.

Do a jar compatible test first to see whether it is a good try. And watch the jar solution on the crop to see if any injury caused.

If it proves a good one, then keep it.