Sizing the system.
How to mount solar pool panels to pallets.
Use larger panels where possible to lower the cost per square foot.
To see how to calculate your pool volume read this article on swimming pool basics.
Using a general guideline add one 2 x 20 panel for every 5000 gallons of pool water.
S are available in 4 x8 panel 4 x10 and 4 x12.
A 12 x 24 pool might be around 10 000 gallons and would use 2 panels where a 20 x 40 pool might be slightly over 30 000 gallons and you would want as many as 6 solar panels.
Solar pool heating system installation manual read the complete manual before beginning the installation.