[[File:Pasteurizer_art_can_lg_color_copy.jpg|thumb|left|196px]]The '''Soda bottle pasteurizer'''is a solar water heater and pasteurizer made from everyday recyclables.
+
[[File:Pasteurizer_art_can_lg_color_copy.jpg|thumb|left|196px]]The '''Soda bottle pasteurizer'''is a solar water heater and pasteurizer made from everyday recyclables.
To make the reflector (right), start with a corrugated cardboard box approximately 16" x 16" x 16".
+
To make the reflector (right), start with a corrugated cardboard box approximately 16" x 16" x 16".
Cut off the top and two sides of the box. Cover the two remaining sides and bottom with aluminum foil or potato chip bags with silver coating facing out. Use wheat paste, glue or tape to adhere to cardboard box. Place bottle on the reflector and place in sun. Keep bottle shadow centered on back of solar panel.
Cut off the top and two sides of the box. Cover the two remaining sides and bottom with aluminum foil or potato chip bags with silver coating facing out. Use wheat paste, glue or tape to adhere to cardboard box. Place bottle on the reflector and place in sun. Keep bottle shadow centered on back of solar panel.
To make the reflector (right), start with a corrugated cardboard box approximately 16" x 16" x 16".
Cut off the top and two sides of the box. Cover the two remaining sides and bottom with aluminum foil or potato chip bags with silver coating facing out. Use wheat paste, glue or tape to adhere to cardboard box. Place bottle on the reflector and place in sun. Keep bottle shadow centered on back of solar panel.
Caution: Water is very hot do not drink from bottle until cool.
To pasteurize, water must be heated to 65°C (158°F)