Originally Posted by fabmandelux

I usually make 250 gallons at a time, and put it in my main settling tank. The biodiesel suction line goes in from the top to a point above where the glycerol has settled. I pump from that line untill it runs out, then drain the glycerol from the bottom.

I used a sight tube the first time so I would know how short to cut the suction tube, then removed it for safety reasons.