(Reagents SOLD SEPARATELY) The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can get alerts, and change your...

Key New Features in our A3 Series: The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector (LD-2). The most successful aquariums are those...

The ModMag is the cornerstone many solutions in the AvidAqua line of aquarium products. Its sliding-slot design provides magnetic attachment of multiple accessories, simultaneously, both inside and outside an aquarium.  Since they first hit the...

Your Tank’s Vitals, visible at a Glance. Upgrade your reef monitoring experience with the AvidAqua InSight—a modern, full-color touchscreen display designed exclusively for Neptune Systems Apex users. Say goodbye to the clunky, monochrome...

The ModMag is the cornerstone many solutions in the AvidAqua line of aquarium products. Its sliding-slot design provides magnetic attachment of multiple accessories, simultaneously, both inside and outside an aquarium. Since they first hit the market,...

Your Tank’s Vitals, visible at a Glance. Upgrade your reef monitoring experience with the AvidAqua InSight—a modern, full-color touchscreen display designed exclusively for Neptune Systems Apex users. Say goodbye to the clunky, monochrome...

Tired of failing suction cups and heaters drifting around your sump? The AvidAqua NeaterHeateris the ultimate professional-grade mounting solution designed to keep your aquarium heating system organized, secure, and reliable. This magnetic system...

Take your aquarium heating organization to the next level with the AvidAqua NeaterHeater Pro. While the standard NeaterHeater sets the bar for suction-cup-free mounting, the Pro version is engineered for larger systems, thicker glass, and extra-long...