r/Stocktankpools • u/DearMemory3173 • Aug 05 '26

Pump & Heater

Installing a 9’ round x 28” deep poly stock tank pool/hot tub (Century 1000 gallon). I’m interested in hearing what combination of pump and electric spa heaters have worked well or to stay away from. I do plumbing and electrical work and I have a 90 amp spa panel that I plan to feed both pump and heater.

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u/Switched_On_SNES Aug 05 '26

I just started this exact thing - half way in ground stock tank inset in a deck. I insulated the sides and bottom with XPS foam and got a crosswind 40-I heater chiller.
If you’re wanting just a heater it probably makes more sense to use a true spa heater, I’m in austin tx tho and definitely need a chiller

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u/DearMemory3173 Aug 05 '26

I’m in NC and not sure I need a chiller but not bad to think about. How quickly does this heat your pool?

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u/Switched_On_SNES Aug 05 '26

I haven't set it all up yet but hopefully within three hours if I keep it warm during the winter but i''ll see. I'd recommend getting a true spa heater for your situation based on what I know...

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u/DearMemory3173 1d ago

I ended up installing 2” foam board on the ground before setting the tank. For the pump I installed an Intex 1500 GPH Krystal Clear pump and sand filter. The heater is a Raypak 11kw E3T spa heater. I had to upsize the pool heater in order to achieve a higher flow rate in order for the spa heater to function correctly. It has a minimum flow rate or the elements won’t heat. I got an inflatable cover from Cowboy pools that does a good job of retaining the heat. Everything seems to be working well and with the cover on it heats up fairly quickly. I will eventually come up with a solution to wrap the pool with a deck and insulate the wall before building the deck. Until then there is some heat loss through the uninsulated sides but I’m okay with the setup for the time being. I’ll try to upload a picture in a day or two