Here’s how our rain collection tanks are built! To me, rain collection is an important piece to homesteading. Collecting rain water will save on resources, utility bills and creat a water supply in case of emergencies. The purpose of raising the rain collection tank at least 2ft off the ground allows for gravity flow of water. This eliminates the need for pumps and electricity. Material List - (4) concrete deck post blocks - (1) 4x4 8’ posts - (4) 2x4 8’ posts - 1 box 3 in long exterior wood scr