The Dolphin Sigma generally handles pool cleaning pretty well and doesn't typically get stuck. It's equipped with some high-tech software that helps it navigate around your pool more efficiently by systematically avoiding obstacles like pool drains.
That being said, every pool is different. Our research shows that some Sigma users have reported it getting momentarily caught on certain types of raised or uniquely designed main drains.
But don't worry—the cleaner's design, which includes an active brushing system and unique tracks, usually helps a lot with adapting to different pool surfaces and avoiding these snags.
If you keep your pool well-maintained and secure any problematic drains, you'll minimize the chances of it getting stuck. According to the manufacturer, the Sigma has a robust filtering system that helps prevent debris from causing issues, which users find pretty convenient thanks to the easy top-load access for maintenance.
Overall, the Sigma is designed to handle these kinds of challenges, but just keep in mind that its performance could vary a bit depending on your pool's specific layout.
If you notice it having trouble, it might be worth chatting with a pool equipment specialist for some advice tailored to your setup.
How we researched this
Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from thousands of retailers, and a look at hundreds of user reviews to give you a well-rounded picture.
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