Build you an 8 foot long box and run water pipe back and forth inside it. Paint the inside black and put a plexiglass front on it. Hook the pipes inline to your filter system output and set it in the sun. Your pump will move the water. Besure to put a bypass in it so you can adjust the water flow. close the valve when it starts getting too hot.
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Build you an 8 foot long box and run water pipe back and forth inside it. Paint the inside black and put a plexiglass front on it. Hook the pipes inline to your filter system output and set it in the sun. Your pump will move the water. Besure to put a bypass in it so you can adjust the water flow. close the valve when it starts getting too hot.
You just saved $2000 dollars.
http://hws-newenergy.com/