| | Why | |---------------------------|----------| | Coffee grounds | Accumulate and form concrete-like sludge | | Cooking grease/oil | Solidifies and traps debris | | Eggshells | Gritty particles stick to pipe walls | | Flour or pasta water | Forms paste-like clogs | | Harsh chemical drain cleaners | Corrode metal pipes; dangerous for DIY snaking afterward |
This is a classic for a reason: it's safe for your pipes and uses items you likely already have.
Follow it with 1 cup of white vinegar. You’ll hear it fizz—that’s the reaction eating through the grime.
Rinse it all away with another round of boiling water. 2. Deep Cleaning the Hardware
If a drain still smells after cleaning, the gunk is likely trapped in the "U-shaped" pipe under your sink. How to Clean a Bathroom Sink Drain
Toss in a few lemon or orange peels while running the disposal for a natural deodorizer. 3. Cleaning the P-Trap (For Serious Odors)
Pour ½ cup of baking soda directly into the drain.