Hello, thank you for your suggestion, on the basis of which the supplier contacted us and would like to respond below.
"Thank you for your feedback. We’re sorry to hear that you’ve encountered this problem. The bottom part of the bottle is detachable to allow for more thorough cleaning, and is secured by a locking mechanism. Please check that it is properly tightened and securely in place. If the problem persists, please do not hesitate to contact us at
[email protected]. We’d be happy to look into your situation on a case-by-case basis and work with you to find a suitable solution. "
Please do not hesitate to contact us in case of need. Thank you and have a nice day, Ondřej - Alza expert