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  1. What a Robot Pool Cleaner's Filter Does

    Where the dirt goes once a robotic pool cleaner picks it up, and why its filter is separate from the pool's own filter system.

  2. How to Empty a Robot Pool Cleaner's Filter

    The order of steps two Dolphin manuals give for opening a robot's filter basket and removing the debris, and why to follow your own manual.

  3. Rinsing and Cleaning a Robot Pool Cleaner's Filter

    What two Dolphin manuals say about rinsing a robot's filter basket with a hose, and why the filter shouldn't be left to dry out first.

  4. How Often a Robot Pool Cleaner's Filter Needs Cleaning

    What two Dolphin manuals recommend for how often to clean a robot's filter basket, and what a clogged unit can do, with a pointer to your own manual.

  5. Micron Ratings Explained, and What the Number Means

    What a micron is, how it compares with a human hair, and what two sources say about the particle sizes pool filters do and don't catch.