Ask This Old House (2002)

S4E3 Under-Sink Water Filter; Planting a Drought Resistant Tree

Plumbing and heating specialist Richard Trethewey assists a homeowner in enhancing her drinking water by setting up an under-sink filtration system. Following this, Richard and host Kevin O'Connor welcome water-filtration expert Bill McTighe in the loft, where he discusses various types of residential water filters. Later, landscaping contractor Roger Cook supports another homeowner in choosing a drought-resistant tree and demonstrates the correct way to plant it in her sloped front yard.