Is this a good pump?

http://shop.store.yahoo.com/marinede...--dolphin.html

I am looking at buying the 3/4hp 4500+ gph pump to run my system, or would this over-drive everything? The tank will have two overflows pre-drilled. Probably will not generate that flow, but I can probably find a use for it by splicing it off into other things. I can also get this for around $150

I have my other Iwaki I could use as well

While I am at it, is this pump any good? Looks like a swimming pool pump to me, probably is.

http://www.drsfostersmith.com/produc...;N=2004+113041