Billy, you can get rolls of the black plastic pipe at plumbing supply places in a single roll up to 1,000 feet long, depending on the diameter you are looking for.

In your instance, for a 400' run, a 1" poly would be plenty.


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).