If the nutes fully dissolve - and they should or they are crap - then the filter wont stop anything.
Well, unless its something like an RO filter.
You dont need anything that fine for filtration. A 200 mesh screen should stop anything that could clog any nozzles you are likely to use. Plus, the screens are cleanable and wont need to be replaced for a decade or so at least
here are a couple of examples
The DMfit Strainers are used for the protection of your pumps, filters, and other more expensive equipment. These strainers prevent damage by keeping debris and other particles out of your pumps and filters, which eliminates unnecessary and costly repairs. They also allow you to easily reduce...
www.freshwatersystems.com
Get superior materials, durability and performance with Amiad High-Pressure Filters. Order yours with fast shipping at DripWorks, the drip irrigation experts.
www.dripworks.com