Dolphin Nautilus CC vs. Zodiac MX6: Which Pool Vacuum Wins?

Price — Zodiac Saves $350

The Dolphin Nautilus CC costs $699, while the Zodiac MX6 costs just $349. That's a $350 difference — nearly half the price. For budget-conscious buyers, the Zodiac is the clear win on cost alone.

What does the extra money buy? With the Dolphin, you get a self-contained robotic cleaner that doesn't rely on your pool's pump. It has its own filter basket and active scrubbing.

Skip the Dolphin if you already have a reliable pump and don't mind a little setup. The Zodiac delivers solid cleaning at a fraction of the price.

Type — Robotic vs Suction-Side

The Dolphin is a corded robotic cleaner; the Zodiac is a suction-side model. Robotic vacuums run independently with their own motor and filter. Suction-side cleaners attach to your pool's skimmer or suction line.

In daily use, the Dolphin is truly set-and-forget. You drop it in, plug it in, and it cleans. The Zodiac needs your pump running and proper flow adjustment.

Choose the Dolphin if you want a self-contained system. Pick the Zodiac if you already have a pump and want to avoid a 230V outlet.

Coverage — Dolphin Scrubs Walls Better

The Dolphin climbs walls and scrubs them with an active brush. It also reaches the waterline. The Zodiac covers floors and walls but relies on suction lift — less aggressive on algae.

In real-world cleaning, the Dolphin's scrubbing removes more stuck-on debris. CNET noted its wall-climbing efficiency. The Zodiac's X-Drive navigation is good but can miss fine silt.

Buy the Dolphin if your pool needs heavy-duty wall cleaning. The Zodiac is fine for light to moderate debris.

Ease of Use — Dolphin is Plug-and-Play

The Dolphin requires almost no setup: plug it in and drop it in the pool. Its top-load filter basket is easy to empty — just lift it out. The Zodiac needs connection to your skimmer or suction line and flow calibration.

After each use, the Dolphin's filter care is simpler. You don't have to clean your pool's main filter as often. The Zodiac sends everything to your existing filter system.

Choose the Dolphin for the lowest maintenance routine. The Zodiac works well if you're comfortable with your pump setup.

Filtration — Dolphin Captures Debris in Its Own Basket

The Dolphin has a top-load fine filter basket that collects leaves, dirt, and algae. The Zodiac relies on your pool's filter — it doesn't have its own basket. This means the Zodiac's debris goes directly to your pump basket and filter.

For filter maintenance, the Dolphin wins hands-down. You empty its basket in seconds without touching the pump. With the Zodiac, you may need to clean your pump basket more often.

If you want less filter maintenance, go with the Dolphin. If you already clean your pump filter regularly, the Zodiac adds no extra steps.

Warranty — Both Offer 1 Year

Both the Dolphin Nautilus CC and the Zodiac MX6 come with a 1-year limited warranty. That's standard for this category. Neither offers an extended term out of the box.

What's covered? Manufacturer defects in materials and workmanship. Normal wear and tear, like brushes or hoses, may not be covered.

Neither is a clear winner here. Buy whichever fits your needs — the warranty terms are identical.

Power Source — Zodiac Uses No Extra Electricity

The Dolphin runs on 230V power cord — a standard European voltage but not common in US homes. You may need a special outlet or adapter. The Zodiac uses your pool pump's suction, requiring no additional electricity.

For energy savings, the Zodiac is the clear winner. The Dolphin's motor runs during cleaning, adding to your electric bill. The Zodiac adds zero new power draw.

Pick the Zodiac if you want to avoid 230V wiring and save on electricity. The Dolphin's cleaning power comes at an electrical cost.

Installation — Dolphin is Simpler

The Dolphin is freestanding: just plug it in and drop it into the pool. No tools required. The Zodiac requires attaching to your skimmer or a dedicated suction line, plus flow calibration.

Most homeowners can install the Zodiac themselves in 15–20 minutes. The Dolphin is even faster — about 2 minutes out of the box. But the Zodiac's installation is one-time; after that, it's nearly as easy.

Choose the Dolphin for the quickest start. The Zodiac is fine if you're comfortable with a simple DIY project.