Voted Best Answer
Mar 30, 2018 - 05:00 PM
That's a big pool, so at 40,000 gallons, you would want to get the SJ55, or even the RJ60 model. You always want a system that has plenty of extra power, so you can run your equipment less normally, and so you will be able to have extra cleaning power when you need it during pool problems.
Here's some good info about system sizing: https://www.discountsaltpool.com/What-Size-Salt-Pool-System-Is-Right-For-Me
Here's some good info about system sizing: https://www.discountsaltpool.com/What-Size-Salt-Pool-System-Is-Right-For-Me
