How do I clean out my Water Tank?
1. Use a professional tank cleaning company to do this. They are able to vacuum the base of your tank without emptying the water. Use google to search local cleaning companies for your area.
2. Clean the tank yourself. See below links for instructions on how to do this.
Water Tank Cleaning - Happy Tanks can clean your Tank if you are in the Auckland and Northland regions.
3. Install a Tank Vac. These will remove buildup of sediment already present and help keep your tank clean all the time. Only works when the tank is overflowing.