above/in-ground pool

I'm planning an inground plunge tub and need help with pump and chilller: Tub: Concrete blocks with insulation. 40" x 40" x 40". About 250 gallons (water line at 36", etc) I would like to put the chiller and pump above the ground, with one of the lines going to the bottom of the tub, one...

Live in the Bay area water is too cold to get in right now. Last year we replace my old pool liner. It is an above/below ground doughboy. When we replace the old we didn't removed "all" the roots that were under liner. I believe what happened is cracked walnuts from the squirrels feel in the...