For the guys that draw water from a hydrant, what size inline mesh filter are you using? Im torn between 40 mesh & 80 mesh.
Not necessary. Just use your regular filter before the water enters your pressure washer pump.
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I don’t have a filter between my tank and pump. I do have a filter between my fill line and tank.
you should most definitely have a filter between the tank and the pump.
Hydrants have terribly dirty water in my experience. Lots of leaves and debris I had to keep stopping and empty my filter of debris.
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Get rid of that and put the filter between the tank and the pump and you’re golden. I’ve run some of the nastiest water known to man through high pressure pumps with no problems other than regular cleaning of the filters.
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Ditto the others…back to the original question, we use a Banjo Y-filter with 20 mesh
Why is it important to have a filter between tank and pump if there is one between tank and spigot fill hose?
Crap just gets into the tank…bugs find their way in, shavings from putting in a new hole…it’s next to impossible to seal them (and when we about accomplished it, it vaccuumed in the summer heat and sucked SH back into itself, lol). Secondly, the filter goes immediately before what you’re protecting to be certain any misc. crap goes through it before it gets to your sensitive part (the pump).
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I’ll bet stink bugs routinely take a ride in the Presidential limo & have probably made it to the moon by now, just to point out one very persistent species.
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My tank got nasty stains in it before. Then they came off in thin sheets of gunk months later. Filter stopped them from getting in to the pump.
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It’s not worth filtering unless you want to detrimentally slow your fill. I never found anything that would filter 140gpm+ without restricting the flow quite a bit. Shop vac it once a year or so to grab those metal flakes. I made a pretty powerful magnet on one of my trucks that cuffed around 1-1/2" fill hose. It caught plenty but not everything since it’s hauling so much azz. You can also tie a huge magnet to a string and make like your trying to catch crawdads with it but it gets pretty uncomfortable laying on the top of the tank. I left a few big magnets inside a few and recovered them later for cleanings.
If your PW is using 140gpm, the rest of us may as well just close up shop… 
I’m slow and I don’t get you. The OP is trying to filter incoming water from a hydrant right???
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He was, but I think the consensus had already established that was not the best approach. I was just joking (as usual).
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We’re all just a bunch of rubber scrubbers & plant killers at the end of the day, trying to accomplish the same result on a different subject.
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