RV Black Tank Cleaning with Calgon: The GEO Method, Step by Step
A smelly black tank can ruin a trip. After 18+ years of RVing and 6+ years full-time on the road, the GEO Method is how we keep ours clean and fresh. It uses two things from any grocery store: Calgon water softener and laundry detergent. In this guide What Is the GEO Method? The GEO…