Thetford Blue Flush 2ltr Bottle Box of 4

Thetford Blue Flush 2ltr Bottle - Box of 4

Thetford Blue Flush  unpleasant smells, reduces gas build-up and quickly breaks down toilet waste. Add 75ml of B-Fresh Blue to your toilet waste tank for every 10 litres of capacity. Then add 2-3 litres of fresh water.

Its recommended to empty the tank every 3 days