Originally Posted by DuckieHo
If you're using the Gel Stuff, make sure your pumps get airflow and/or additional heatsinks. The gel is also a thermal insulator and cause pumps to overheat over time.
I am It's right behind a 120
An old picture, but that's where ma pump is
Anyways, on topic. Do what duckie said and try to isolate the pump first. If you're not happy with it after that, then I would suggest a new more powerful pump