Hail punched holes in the top layer of poly greenhouses, trapping rainwater between the layers. We have to push the water out to prevent more damage. | Smith's Gardentown

Most DIY rainwater harvesting uses gravity, conduits, and tanks to catch, route and store rain water. But not all systems have a first flush system that diverts and discards the first gallon(s) of rain water that falls on and cleans the roof. This system also automatically drains and resets itself for the next rainfall. We wrote a complete DIY guide on building the perfect first flush system. https://theoffgridcabin.com/how-to-harvest-rainwater-for-off-grid-living-a-step-by-step-guide #cabinlife