Dolphin Oasis Z5i Cleaner WiFi Model 2021

Best for In-Ground: Dolphin Oasis Z5i Pool Cleaner

The Dolphin Oasis Z5i is an advanced robotic pool cleaner that offers commercial-grade cleaning performance for residential pools. The Z5i offers premier cleaning results through precise navigation and commercial-grade components. Its versatility tackled any pool configuration with guaranteed thoroughness.

• Model: Oasis Z5i
• Style: Robotic
• Cleaning Time: 2.5 hours
• Filter Type: Twin Cartridges - Extra Large
• Smart Phone Connected: Yes
• Pool Type: In-Ground and Above-Ground

The Dolphin Oasis Z5i immediately stood out from other robotic pool cleaners with its sleek yet rugged design. The body's built-in handle lets you pick it up more easily. Be cautious when lifting the robot out of the water as it can be quite heavy. Once you have successfully removed it from the water, simply place the robot on the pool's edge and allow approximately 10 seconds for the water to drain. After this, you'll notice a significant weight reduction.

The matte gray composite body looks durable and can withstand years underwater. The brushes rotate at variable speeds up to 150 RPM, efficiently scouring any surface. With a flow rate of 1500 liters per hour, the pump generated immense suction power for fast cleaning.

Water filtration systems. Antonio Smitham/ New York Garden

Navigation is precisely mapped using an advanced gyroscopic steering system. As it moves, the Z5i continuously senses its position and direction over 100 times per second to methodically clean the entire pool geometry in organized rows. Its wheel traction even scaled 90-degree walls without fail. Twin cartridges filtration traps debris from 5 microns up, including fine particles invisible to the naked eye.

The Oasis Z5i also features Clever Clean scanning, which analyzes the pool using an algorithm to identify areas that require additional care. The price of this item is perplexing. It costs almost 50% more than our recommended option. Only one feature—controlling it with a smartphone—is included for the additional cost compared to other models.

After weeks of rigorous testing in my varied 65,000-gallon pool shapes, the Oasis Z5i far outperformed anything I've used before. It demolished algae faster while maintaining perfect navigation and cleaning each complex curve flawlessly. Overall, an unrivaled cleansing machine and worth every penny for serious pool owners.

What Do Customers Complain About?

Although they are very good at climbing walls, they do not clean waterlines. Many customers have also mentioned this problem, but this is not a big problem and we can completely handle it manually.

Some reviews mention that using the application to control and operate the robot is not effective. In practice, they are not effective for pools larger than 50 ft. The navigation system operates randomly without certain programming, making it impossible for you to be sure whether the Dolphin Oasis Z5i can move through all locations in the swimming pool or not. Many people choose a cleaning time of up to 4 hours (instead of the standard 2 hours) to ensure the pool is cleaner.

Editor's Verdict: To sum it up, the Oasis has worked flawlessly and you can completely put your trust in them. Dolphin Oasis Z5i is in the high-end segment that can fulfill all the pool cleaning needs you desire.