Turn off the cold water valve under your sink. It’s the little handle that looks like a tiny steering wheel. Crank it clockwise until it stops.
Open your faucet to let out leftover water. This releases pressure. Nobody wants a surprise water cannon to the face. Trust me on that one.
Now, clear out everything under the sink. That old bottle of cleaner? Move it. That forgotten sponge? Toss it. You need room to wiggle.
