All Pro Water-Flow wants you to know that Master Plumbers run this company and this web-site.
Plumbers who are also RV'rs. We are the professionals who know how to clean pipes, valves and
holding tanks. If you will follow these basic procedures you can make your RV tank
cleaning process last one to two years.
RV Holding Tank Recipe
Take a 1 gallon jug
Add 1/4 cup of Calgon Bath Beads (or Vaseline brand)
Fill the jug half full with water and shake well
Pour 40oz. of (pine Pinesole) in the jug and shake well