solar charging your garden
March 23rd, 2012
Solar-charged Hot Water Bottles
Water-filled containers
painted flat black absorb solar warmth during the day and release the heat at
night, so they are worthwhile additions to your season-stretching raised bed, plastic covered garden. The squared sides of half-gallon milk jugs make them easy to
stack into the back wall of a cold frame, or you can include a black water-filled barrel in ...