I have made a vac system out of a pump and filter. It’s a small Hayward 500vsp and I find I am cleaning the pump basket out quite a bit. I do pool cleaning right after concrete and it’s always a mess. Backfill, concrete, sometimes broken pool form bits. I was thinking a 5 gallon bucket with a lid and some pool return fittings. Maybe go up high on the bucket so stuff can fall in.