In 1985 TUNZE invented the “auto top off” system. Critics initially derided the idea as
an invention for lazy people… They missed the main point: delicate aquatic life
requires a constant osmotic pressure. The Osmolator - short for Osmotic Regulator
- provides this in one easy-to-install complete Kit. Only the Osmolator® provides the
level of safety and reliability that comes with 25 years of TUNZE know how.
Spend over £50 on your order and qualify for free shipping. Next day and timed services available.Find out more
We offer flexible monthly finance options. Credit is subject to application and status.Find out more
As a thank you, we run the Charterhouse Points scheme. Earn points on every order.Find out more