Ew, no one wants to go swimming in a green pool . It happens to every pool owner at some point: you go a few days without adding chlorine, and one morning you awaken to a pool full of bright green algae. The good news is that it's often an easy fix: you just need to shock the pool with some chlorine, or find a pool maintenance person to do it for you. But this person, u/Otherwise_Hunt7296, realized that their green pool problem might take a bit longer to solve than they'd planned. It's all due…