The outer sealant ring needs to be round, the inner sealant ring needs to be flat.
If you find both rings to be flat, just report this to our customer service.
We will sent you a new siphon, as soon as possible.
By replacing the old siphon, all possible problems associated with smells will dissapear. The siphon will contain the right amount of water after every shower.
If you still have any questions, please feel free to contact your point of purchase. They will analyse the problem with you, gather all information and guide you towards the solution.
Or feel free to contact our customer service at: