Q: Thank you so much for your article on rust and oxalic acid ("Rust isn't her best color," Jan. 7). We have had this problem for years! And it is frustrating. We even have our water treated through ...

Q Our wood deck is under several large pine trees. Sap dripping from the trees has caused some ugly staining. We also have stains caused by planters, and the general appearance of the wood is a dismal ...

We had several large family cookouts this summer, and our pressure-treated deck is, basically, trashed. It's covered in grease stains, muddy footprints, and moldy leaves. Should I clean it up now, or ...