I use cotton. Pilowcase made with a heavy weave we call damast here in europe and a tyrip to close them
Once done cut the tyrip shake bag cleane and use again
And When all done i put a industrial filtersock in the panda of 1 micron held in place by a tube with holes in em
And filter all My fluïd with the panda
Pumping the fluid in with a submersible aquarium pomp
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