I used a 5 gallon pail.
Drilled it full of very small holes in the bottom and sides.
The I put a burlap sack in it and dissolved my product that way.
It worked great.
I did also go to a local irrigation supplier and added a small filter with a 150 mesh screen. That was a great find too.
Pilgrims' Pride Lawn Care
BE GOOD OR BE GONE