Hey guys, so today I noticed that my damn drain line for my SpeedQueen washing machine, near the end of its last cycle, has bubbles spewing out of it!!! (See pics). Is this an issue with the machine itself or the drain? I disconnected the supply hoses and ran them near full throttle down the PVC drain and it's not backed up or anything it drains just fine! I should note that I use very little soap (the HE type), and this only happens at the end of the final cycle, last 2 or 3 minutes or so. What the heck is going on here?!?!