Puting a Trap and a vent

scooby1350

Member
Ok I have a overflow box and used PVC pipe down to the sump. The problem I am having is there are, so many bubbles in the sump tank that it is over flowing with bubbles and foam and had the cut my pump back to almost nothing.
I was wonder if I add a trap and a vent will this stop the bubbles in the sump. or is there another way to stop the bubbles in the sump tank. Any help please Thanks.
 
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