Thetford Cassette toilet - he-ruide
Q. The Thetford manual says I should add chemicals to the fresh water tank. Should I add the deodorant to the fresh water tank?

A. No.  The chemicals that Thetford discusses is not available in the US.  Adding deodorant may damage the toilet seals. It should only be added to the cassette black water tank and read the directions regarding the amount of deodorant to add.

Q. The Thetford manual says I should add chemicals to the fresh water tank. Should I add the deodorant to the fresh water tank?

A. No. The chemicals that Thetford discusses is not available in the US. Adding deodorant may damage the toilet seals. It should only be added to the cassette black water tank and read the directions regarding the amount of deodorant to add.