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Our Best Pool Robot Yet.

Making the Impossible Possible.

Redefine how you clean. Sigma's larger commercial-grade motors and advanced software delivers a new level of clean. Learn why so many pool owners are making the switch to Dolphin's best pool robot.

Dolphin Sigma Pool Robot
Dolphin Sigma Waterline Cleaning

Waterline Cleaning Expert

Sigma's triple commerical-grade motors, gyroscope, and quad scrubbing brushes power it over any obstacle. Its Dual Stabilizer and climbing rings help Sigma clean your walls and waterline with power and precision.

myDolphin Plus Smartphone App

myDolphin Plus Smartphone App

Control your Dolphin from anywhere. Sigma can be scheduled, programmed, and operated from anywhere. Dolphin Sigma even records your cleaning history with stats such as gallons filtered, the percent of pool cleaned, and more.

Dolphin Sigma Oversized Standard Filter

Our Largest Cartridges Ever.

Leaves? Algae? No problem. The Dolphin Sigma includes not one, but two, Oversized Filter Cartridges. Sigma's Ultra-Fine filter even enables it to clean down to 2 microns.

THE ART OF WATERLINE CLEANING

Clean where it matters most.

The Dolphin Sigma not only cleans the floors and walls of your pool, but focuses on the waterline. This is where 99% of bacteria, biofilm, and algae build up in a swimming pool. While most robotic pool cleaners only vacuum up loose debris, the Dolphin Sigma powerfully cleans all surfaces with its advanced Dual Scrubbing Brushes.

Dolphin Sigma Waterline Cleaning

BEST WATERLINE CLEANING ROBOT

LEADING THE PACK.

The Dolphin Sigma is the leader in waterline cleaning. Thanks to it's dual stabilizer, dual split scrubbing brushes, and gyroscope, Sigma adheres to the wall and waterline better than any other robotic pool cleaner.

While other pool robots may have waterline cleaning, these features enable the Dolphin Sigma to better than ever before. The Dolphin Sigma's SmartNav 3.0 allows Sigma to even detect obstacles such as a beach entry, stairs, and more.

ADVANCED SENSORS

On-Board Gyroscope

Dolphin Sigma's gyroscope is a breakthrough in robotic pool cleaner technology, sending advanced data to its microprocessor. This allows Sigma to know it's exact position and movement.

Its gyroscope uses this data fine tune its cleaning ability and provide advanced movement throughout the swimming pool. Just another reason why the Dolphin Sigma is our best pool robot yet.

Gyroscope Stabilization

myDolphin Plus App

Enchanced Cleaning Experience.

With the Dolphin Sigma's Connect Anywhere technology, you control, schedule, and clean with the Dolphin Sigma from anywhere. Easily connect Sigma to Wi-Fi and sit back and relax while Sigma cleans your pool for you.

MORE CONTROL.
MORE FEATURES.

Unlock the full potential of a pool robot

The Dolphin Sigma takes the myDolphin Plus App a step further. Instead of simple control like other Dolphin Cleaners, Sigma has Advanced Scheduling, which allows you to program and run Sigma for each individual day. Want to run Sigma at 5pm on Friday night, then clean at 2pm Saturday? No problem.

Sigma even lets you manually control and navigate it, a feature not found on all Dolphin robots. This let's you drive and navigate Sigma around your pool.

myDolphin Plus App Cleaning Progress
myDolphin Plus App Cleaning History

KEEP TRACK OF EACH CLEAN

Cleaning History, Voice Control, & More

Sigma records and tracks every single time your pool robot cleans. With this added capability, Sigma shows the gallons filtered, distanced traveled, energy saved, and so much more.

Alongside that, Sigma can even connect to Siri. Simply setup voice control and say "Hey Siri, Start cleaning my pool" and Dolphin Sigma will get to work.

Learn More >

OUR LARGEST CARTRIDGE EVER.

Dual Filters Clean More Than Ever Before.

The Dolphin Sigma not only cleans the floors and walls of your pool, but focuses on the waterline. This is where 99% of bacteria, biofilm, and algae build up in a swimming pool. While most robotic pool cleaners only vacuum up loose debris, the Dolphin Sigma powerfully cleans all surfaces with its advanced Dual Scrubbing Brushes.

ULTRA-FINE.
ULTRA CLEAN.

Efficient and Effective.

Sigma includes, not one, but two filter sets: Standard Filter and Ultra-Fine Filter. This enables Sigma to clean deeper than ever before. Swap filters out in seconds to customize each clean, allowing you to pickup even the most stubborn algae and leaves.

Dual Oversized Filter Cartridges