It ultimately depends on three factors: roof collection area, rainwater cistern size, and local rainfall. You can read more about the exact method to calculate this amount at our FAQ post: How Much Rainwater Can I Collect From My Roof?
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It ultimately depends on three factors: roof collection area, rainwater cistern size, and local rainfall. You can read more about the exact method to calculate this amount at our FAQ post: How Much Rainwater Can I Collect From My Roof?