MOAI

Why we tested it

The MOAI robotic cleaner caught our attention by addressing the tedious, manual labor of aquarium maintenance while simultaneously solving the visibility gap for remote owners. Most aquarium gadgets focus on water chemistry, but MOAI targets the aesthetic frustration of algae buildup on glass. By integrating an HD camera into a self-navigating scrubbing unit, it transforms a chore into a connected experience. We tested it to see if this dual-purpose device could truly replace manual scrapers without damaging delicate tank environments. Its unique ability to combine autonomous cleaning with 24/7 live streaming makes it a standout in the niche pet-tech market, promising to keep tanks pristine while offering a window into the underwater world from anywhere.

Who it's for

This device is ideal for tech-savvy aquarium hobbyists who value automation and want to monitor their tanks while traveling. It suits owners of standard rectangular glass or acrylic tanks who struggle with consistent algae maintenance. However, it is not for those with bow-front, cylindrical, or complex-shaped aquariums, as the navigation system requires flat surfaces. Additionally, users who prefer a completely hands-off experience should note that while it automates scrubbing, it still requires initial setup and occasional manual intervention for deep cleaning. If you own a non-standard tank or lack a stable 2.4GHz Wi-Fi connection, this gadget will likely prove more frustrating than helpful.

Real-world performance

In practice, the MOAI functions as a reliable, automated maintenance assistant. The navigation system effectively maps the tank glass, and the scrubbing mechanism does a commendable job of preventing algae film from hardening. Users report that the ability to set a buffer zone above the sand bed is a critical feature that prevents substrate from getting caught and scratching the glass. The camera performance is impressive for its size, offering clear, high-definition views of the aquascape. While the app interface is functional for scheduling cleaning sessions and switching between cruise modes, the setup process demands patience regarding Wi-Fi connectivity. Overall, it succeeds as a hybrid tool, though it performs best in well-maintained, standard rectangular tanks where its pathing algorithms can operate without obstruction or complex geometry.

Key pros & cons