Sustainable+Gardening

Design a solar heated Cistern to hold water and collect heat. (Design a "water panel" and shallow water basin to collect and apply heat to plants in winter.) http://www.hycrete.com/files/documentation/datasheets/Hycrete-Datasheet-X1002.pdf Off the grid power storage http://www.walmart.com/ip/EverStart-Maxx-Group-Size-29-Marine-Battery/20531539