Instructables

Heating a jacuzzi for a dollar a year.

video Heating a jacuzzi for a dollar a year.
Trust the sun. It will be there for a while...
rimar20002 years ago
I have bad news: the sun will last only another 4500 million years!

Seriously now, very good instructable.
Browncoat2 years ago
Can't have a jacuzzi w/o water, so maybe you could enter this in the Water Challenge:
http://www.instructables.com/id/Summer-Water-Challenge/