It is of course annoying when you have a complaint about the service you experienced. We would like to ask you to pass your complaint on to the customer contact department. This can be done by e-mail, regular mail and/or telephone. Our employees from the customer contact department will review your complaint and try to resolve the complaint to everyone's satisfaction.

By email: juliorosier@gmail.com

Writing:

Waterontharder4u.nl
Amsterdam
Herengracht 124
1015BT Amsterdam
Netherlands

After we have received your complaint, you will receive a confirmation from us.
We will answer your complaint within 24 hours of receipt, if it needs more time, we will inform you.