From my information, they are made for hot tubs. According to the manufacturer, the Solar Spa
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Water Heating Pads have now been replaced by a new lightweight, durable clear Solar Water Heating Film that works better than the pads, but is less than 1/3 the cost, prevents dust, leaf and flying bug intrusion, and can easily be cut to fit any size pool under 8'.
From my information, they are made for hot tubs. According to the manufacturer, the Solar Spa ...»