Zero Is The New Black

i want to warm up my pool but i do not want some gas pump or roof mounted solar panel system. im envisioning a cover made of bubble wrap or something like that with a layer of black film that lets sun in but not out, thereby warming up the water. is there anything like [...]

We are thinking about purchasing solar panels, but are concerned that because of our weather in the upper midwest, they won’t heat the water enough. How many degree rise can we expect?

I was wondering if I can DIY this project or if I need to hire someone and get permits