The best rainwater tank dimensions is dependent upon what you want to make use of the rainwater for, and perhaps most of all: your local weather. If you get Regular rain throughout the year, you may get by with much less and smaller tanks – like average 50-gallon drums. PlantingGuys.com https://charlieuryej.mpeblog.com/70773344/best-rainwater-irrigation-plumbing-services-things-to-know-before-you-buy