If your farm is quite small, then you might assume that you would have no need for more than one rainwater tank. However, here are some reasons why you should consider getting at least one additional rainwater tank on your land.
To avoid wasting water if one rainwater tank gets damaged
One important reason to keep a spare rainwater tank on your farm is that it could help you to avoid wasting any rainwater you've collected in your main tank if this tank gets damaged and springs a leak.