I tested straight prefiltered GSO with the hydrophobic .22 pvfd and it was smooth with a 3mm syringe. At first it seemed like maybe it was locked up, but I flipped it upside down and squeezed the airbubbles from the syringe through and it flowed after that. I expect 10mm to be a little harder...
Saw it mentioned somewhere the hydrophobic could be wet with a solvent first. .
Perhaps I should leave out a few ML of BB from the mix when I prefilter with the .45, then when final filtering with the hydrophobic .22, put those reserved BB ML's through first followed by the pre-filtered mix...
I found a 10 pack of sterile pvdf syringe filters for 15 bucks. No mention in the posting about hydrophillic or phobic-ness.
I got them and they are hydrophobic.
Are they useless?
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