Thanks for all the help and recommendations. I do have a whole house water softener but the outside faucets are not connected to it since it would overload the system when used for outside watering and such.

I guess I could connect a hose to the house water heater drain to get soft water to the pool and spa. I would need to make sure that any calcium/lime that's in the bottom of the tank is cleaned out really well before putting that water in the pool.

Thanks again for the help.