Closed-loop water management: the water gained through habits
This node closes the complete circle: how real capture is sized, what the Colombian regulation says exactly about reusing water, what domestic habit change—not just plumbing—makes it possible for that cycle to work, how the sun itself enters the system as a heater and disinfectant, and why the legal distinction between "recirculating" and "reusing" determines whether a project needs prior environmental processing or can operate without it.