Dean kicks off the second hour with a caller discussing how to handle foundation cracks in an HOA setting. 

Next, he dives into smart irrigation systems, explaining their detailed customization and efficiency. Dean also recommends switching to an electric tankless water heater for optimal performance. 

Shifting focus inside the house, Dean emphasizes the importance of water filtration systems. He explains that reducing scale from municipal water supplies can improve water taste and extend appliance life, but cautions against over-filtering as some minerals are beneficial. 

Dean wraps up with tips on indoor water filtration, including the benefits of reverse osmosis and UV systems for biologics. He stresses the need for balanced filtration that retains healthy minerals. Tune in for practical advice on maintaining a healthy and efficient home water system!