Unclog a tap
Risk: If the flow from your tap isn’t what it used to be, the holes in the aerator are probably plugged with mineral buildup.
How to DIY it: Close the drain stopper so small parts can’t fall in. Wrap duct or electrical tape around pliers to avoid scratching the aerator, then unscrew it (above). Scrub it with a toothbrush and rinse. If there’s still residue, soak the aerator parts in vinegar.
While you’re at it: Clean your showerhead the same way. Or try this: Fill a freezer bag with a half-and-half mixture of vinegar and water. Secure the bag over the showerhead with a rubber band or duct tape. Remove it every 15 minutes and check the flow. Don’t leave it on longer than necessary, as vinegar can damage finishes.
Fix a loose towel bar
Risk: Pulling the bar out of the wall can make a mess and perhaps bring you down with it.
How to DIY it: Take off the loose bar by removing the screws on each of the posts that mount the bar to the wall. (If one side is solidly attached, leave it alone.) With the mounting plate now exposed, try tightening the screws in it. If that doesn’t work, remove it. Chances are you’ll find two plastic anchors underneath. Poke them with a screwdriver and let them fall inside the wall. Replace with bigger, stronger metal toggle anchors (above), sold at hardware stores. Just drive them into the existing holes with a drill or a screwdriver, and then reattach everything.
While you’re at it: Follow the same steps to fix loose hooks and toilet paper holders.
These ridiculous home improvement fails will make you cringe.
Install a low-flow showerhead
Risk: If your house was built before 1994 and still has the original plumbing fixtures, you’re using 30 to 40 percent more water than a comparable new home. Because about 70 percent of the water flowing through the showerhead is hot, that means higher heating bills too. A basic showerhead doesn’t cost much and could pay for itself in reduced water and heating costs after just one month.
How to DIY it: Simply unscrew the old showerhead and screw on the new one. Read the directions to see whether it requires a layer of plumber’s tape to prevent leaks.
While you’re at it: Look for the water rating – the more stars, the more water efficient the shower head will be.