Different devices to refill the evaporated aquarium water. Such a system is also called an ATO, auto top-off or osmolator.
The price difference between the various systems is due, among other things, to the protections that were used. One system has no protection if a sensor does not work. Another system uses an optical sensor and a float.
Always use osmosis water to top up the evaporated water as the salt does not evaporate.
Auto top off
€184,95
Auto top off
€88,50
Auto top off
€23,50
Auto top off
€17,75
Auto top off
€124,95
Auto top off
€87,95
Auto top off
€172,50
Auto top off
€69,90
Auto top off
€95,00
Auto top off
€95,00
Auto top off
€147,50
Auto top off
€265,00