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On Sale 15%On Sale 15%
Osmolator 3155 Auto Top Off - Tunze
Tunze$229.99$195.49High-tech, for a reliable water level in the aquarium. Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the edge of the aquarium. Scope of delivery: Ready for mounting with... -
On Sale 15%On Sale 15%
Osmolator Nano 3152 Auto Top Off - Tunze
Tunze$114.99$97.74For small aquariums, a stable osmotic balance is important, because they are particularly sensitive to constantly changing salt concentrations. The Osmolator nano which was specifically designed for this, is a water level controller with only a... -
Apex ATK V2 Automatic Top-Off Kit ATO (ATK) - Neptune Systems
Neptune Systems$239.99The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying than the chore of adding water, every day, to make up for... -
On Sale 21%On Sale 21%
Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua
XP Aqua$139.99$109.99With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level... -
Prism ATO Auto Top Off - Reef Breeders
Reef Breeders$79.99The Reef Breeders Prism-ATO is designed to work with aquariums of all sizes, from pico desktops and All-in-One aquariums with limited space, to large reef tanks with full sumps. The Prism ATO has 3 sensors and registers your water level in a... -
V2 Complete ATO & Surface Skimmer for Sumpless Aquariums - XP Aqua
XP Aqua$149.99Sumpless ATO is the first and only ATO designed specifically for aquariums without sumps. The combination of the sleek overflow box and the innovative dual-optical sensor ATO will help to keep your aquarium topped off and your water crystal clear...