Replacing a clogged aerator; proper houseplant care

Plumbing and heating expert Richard Trethewey helps a homeowner replace a clogged aerator on a bathroom faucet. Then, up in the ASK THIS OLD HOUSE loft, landscape contractor Roger Cook is joined by plant expert Carrie Kelly to learn about caring for houseplants. While making a HOUSE call, general contractor Tom Silva helps a homeowner quiet a squeaky subfloor hidden beneath wall-to-wall carpeting using special "breakaway" screws.