Hi ragriffin, and welcome to the forum!!

I looked around the forum and didn't find much on Penguin pools, but I did find some contact information for them. You might try to contact them at the following:
1610 SE 47th Street
Cape Coral, FL 33904
Phone: (239) 542-3410
Fax: (239) 542-5598

General Information Request
info@penguinswimmingpools.com

Maybe they can answer your questions, and if you do indeed need the bottom track, should be able to direct you to where to get it.