In 1983 already, TUNZE Aquarientechnik introduced the first water level regulator (Osmolator) to aquarism. TUNZE Aquarientechnik has developed a new generation of osmotic regulator with static and compact sensor in IR technology for constant water level regulation in freshwater and saltwater aquariums. It ensures osmotic stability in freshwater and saltwater aquariums by precisely and regularly compensating the evaporated water.
Osmolator Universal 3155 can be used as a supplement in cabinet filter plants, COMLINE quick-run filters or directly on the tank edge.
Water level regulator with two sensor holding devices, extension and numerous fastening accessories. It is suitable for use in cabinet filter plants, in Comline filters or on the edge of the aquarium.
This osmotic regulator can also be used in TUNZE SYSTEM cabinet filter plants. The sensors can be stuck to glass surfaces or can be fitted directly to the edge of the tank.
Delivery condition: Ready for mounting with power supply unit, metering pump, hose, sensor holding device
Metering pump capacity: 0.9 m (35.4 in.): 52 l/h (13.7 US gal./h); 1.5 m (59 in.): 47 l/h (12.4 US gal./h); 2 m (78.7 in.): 27 l/h (7.1 US gal./h); Hmax: 2.2 m (86.6 in.).

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.