Skimmer Overflow - can it be plugged?

[Coralgurl]

I purchased a Eshopps PSK-100H Hang On Protein Skimmer from another reefer, awesome skimmer but the cup fills fast. I've gone from emptying every 2 days to twice a day. I've adjusted it to try to reduce the flow but its still producing tons of skimmate.

I have 2 choices - buy longer tubing so the overflow can run into a bucket - or plug the overflow to stop it and let it sit in the collection cup. What would you do?