Calm Logic
Member
The flies do look healthy 

Thanks for the info. That part of the video was making my head hurt, haha. I thought he was being obsessive and/or greedy, but I wasn't sure.Using a second filter on the vent needle is news to me. (Not shown in video but in the written directions). I may be cynical but video source sells filters.
I filter the liquid entering the vial but won't be using a 2nd filter on the vent where only air passes (I assume exiting). Not because I'm cheap but because I don't see the sense in it.
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