Free photons to the rescue.
Build your own above ground pool heater.
Start with the actual collector.
Step 1 assemble the panels.
For some reason the comments have been disabled link to how to build the diverter system.
Warming a pool with solar heat requires a few solar panels hooked up to the filtering circulating system.
Create as many or as few as you need for the size of swimming pool you have can be used for in ground or above ground pools.
There are only a few important parts.
Diy solar pool heater.
Black pvc pipe works but copper pipe painted black works even better.
Water to the solar heater.
A solar powered heater can boost the temp of your swimming water all year long and after the installation these extra degrees won t cost you a thing.
Either coil the copper pipe or lay the pvc pipe back and forth on the plywood.
Materials one old but useful fire pit or grill 60 foot coil of 3 8 copper tubing 10 feet 1 2 water hose plastic 1 2 female water hose adapter recommended and zip tie 6 feet black foam pipe insulator 1 2 hose clamp comes with female hose adapter above 4 wire copper pipe hangers 1000.
Mount them to the board using either adhesive or pipe mounts.
Pvc pipe pool noodles black plastic garbage bags and duct tape can be transformed into an effective heater that will warm pool water to a comfortable temperature.
A solar assisted pool heater is very easy to construct and use.