"John Hines" wrote in message
...
snip
Some of that depends on the parts you select. IE I've seen in pond
skimmers, that hook up to inch and half. Kinda a waste to run 4 inch
pipe only to neck it down that much, since most pumps don't take that
either.
snip

So what you are saying...that my plan of run all my pipes and figure on a
pump later could be a bad idea?

BV.