[e46er]

Originally Posted by Aquattro

I would go with the 15's. Too much for an empty tank, but as it fills in, you'll want more flow. Until then, you just turn them down. The 8's don't go much above 100%, so when you need more, you're buying new pumps.

you cant turn them down on the "else" mode which is the random flow....... one big downside I found