Here’s my 2500 gallon backup water supply collecting from my metal roof warehouse/barn. I’ve had one good rain for a test and so far it’s working great, it produced 500 gallons! I need to clean out the gutters and install gutter screens to keep out the leaves and seedlings. I plan on purging this first harvest after I install the gutter screens, there was quite a bit of polymer dust from drilling during installation and a few seedlings. Most were filtered and sank to the bottom of the cylinder, it acts as a pre-filter for small bits that make their way through the top screens.
