Realised after 9 months of reasonably heavy van use (we've used 1/3 of the use over the previous 5 years) that the toilet cassette could do with a a clean due to calcium deposits...
Is it as simple as thetford duo and done?
Or is there a cheaper funster alternative (white vinegar)?
Is it as simple as thetford duo and done?
Or is there a cheaper funster alternative (white vinegar)?