Head-O-Matic Shock Treat

Use twice a season, spring and fall, to descale and whistle clean walls and ceilings of black waste and grey water holding tanks. Good for your boats and RVs.

  • Easy to use, non staining, freshens entire system
  • Helps keep sensors and hoses clear
  • Biodegradable (campgroound safe to use)
  • Non Formaldehyde
  • Treats up to 60 gallon (24 L) tanks
  • Quickly solves midseason malodour problems