Main drain pipe clogged after washing machine
Last night we noticed that the washtub in our basement that the washing machine drains into was overflowing. After bailing out the water we also noticed that the kitchen sink draining down from the first floor was backing up into the washtub, thus leading us to conclude we had a clog in the drain pipe below where the washtub drain butted in. (Hopefully the attachment will be visible to clearly represent the configuration). There was no lint trap on the washing machine which probably led to this situation.
We have tried plunging and gel products for clogged drains with no luck. What would you suggest next?
Should we try to snake out the pipe from the end cap protruding to the right in the photo? Any suggestions would be much appreciated. Thanks!