Are there non- or less-toxic bathtubs?

— Leslie Salt Lake City, UT

Answered by Karen Smuland on May 28, 2011

What should I know about toilet retrofit dual-flush systems?

— Stephan Pollard Fayetteville, AR

Answered by Molly McCabe, AKBD, CGP, CAPS on April 18, 2011

What is the best shower base for a shower on the second floor of a home?

— Janet Quinn Brownfield, ME

Answered by Christopher Moline LEED AP on February 27, 2011