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The waterline is where the pool water meets the air. It's the dirtiest part of any pool—where bacteria, dirt, and algae grow. These organisms are hard to remove and can be a risk to swimmers if not taken care of.
A pool with build-up at the waterline can be an eyesore—then turn into a real issue if not taken care of. Over time, algae, dirt, and grime can build up and stain your pool walls.
Before robotic pool cleaners, pool owners were left to manually scrubbing by hand. Not anymore.
The Dolphin Sigma's Powerful Waterline Cleaning
Without regular cleaning, here's what accumulates at your waterline:
Left untreated, this can lead to permanent staining and water health issues.
The Dolphin Premier's Advanced Waterline Cleaning
Enabled by a Dual Stabilizer, ProLine Commercial-Grade motors, MultiMedia™ filtration, and NanoFiltration™, the Dolphin Premier has more features than any other Dolphin.
USA Today named it the Best Pool Robot for 2026.
With NanoFiltration, you can combine NanoFilters and waterline cleaning to unlock the ultimate cleaning performance.
Every Dolphin ProLine™ Model includes both NanoFilters and Waterline Cleaning. This professional level clean is a reason why the 2026 ProLine models are some of the best pool robots ever made.
NanoFilters capture fine debris that passes through standard filters
When choosing a robotic pool cleaner, waterline cleaning is a must-have. Here are our top picks:
ProLine Model • Waterline cleaning + MultiMedia™ filtration + dual commercial-grade motors + 3-year warranty.
Shop Premier
ProLine Model • Waterline cleaning + triple commercial-grade motors + gyroscope navigation + myDolphin Plus app.
Shop Sigma
ProLine Model • Waterline cleaning + XXL MaxBin™ + NanoFilters + PowerJet 3D mobility.
Shop Quantum
Waterline cleaning + weekly timer + CleverClean navigation + excellent value.
Shop E70Without the waterline cleaning feature, you'll be stuck scrubbing the waterline by hand. This regular maintenance can become cumbersome. But with the right robotic pool cleaner, pool maintenance becomes way easier.
That's why we recommend features like waterline cleaning and NanoFilters that help automate your pool cleaning—giving you more time to enjoy your pool with your family.
Many online retailers hide hefty 20% restocking fees. At Poolbots, we offer a risk-free 30-day trial with free returns.
Learn Why PoolbotsWe know a robotic pool cleaner is the heart of your pool. Here at Poolbots, we offer a free 30-day trial with no restocking fees—choose with confidence.
