After the flush, fill a glass. Hold it up to the light. Take a sip. You did it. You, a person who might not even know where your water main is, just installed a filter like a plumbing wizard.
Celebrate by pouring a second glass for your cat. (He won’t appreciate it, but he’ll pretend to.)
If something leaks later—and it happens to the best of us—don’t panic. Just tighten the connection while muttering a few creative curse words. That’s basically professional plumbing.
