Originally Posted by mandown123
if it aint broke break it lol
If your not afraid to put a dremel to your brand new skimmer, I can tell you what I did to mine.
1- The pump is connected to the body by an elbo. If you unscrew the elbo you will see the diameter is very small and restrictive. I bored out both sides of that elbo.
2- The impeller is a needlewheel impeller. I cut off the top row of needles and added mesh and held it on with tiny zip ties.
3- If you take the volute cover off (the cover that hides the impeller on the pump), the intake is small. I bored that out.
4- The stock venturi doesn't allow the pump to pull alot of air. You can bore out the nipple the airline attaches to, then add bigger(1/4" OD) airline. I made a few different venturi's. I can take a pic of the 1 I did that worked best for me. It's simple, but hard to describe.
You can read the entire Reef Central Octo mod thread
. It has pics of everything I mentioned. Be warned tho, it's a few hundred pages long and has been going on about 2 years.