Why Algae Really Happens

Algae anchors to biofilm on walls, steps and the waterline — spots manual cleaning skips. Chlorine alone can't penetrate established biofilm, which is why pools go green despite "correct" chemical levels.

The Robotic Answer: Mechanical Disruption

Daily brush scrubbing of floors, walls and waterline physically removes biofilm before algae establishes. Wall-climbing robots like the Robo Dressel scrub the waterline — the most algae-prone zone — on every cycle, while 20-micron filtration removes spores from the water column.

The Prevention Stack

Daily robot cycle + balanced chlorine/pH + weekly water testing = algae-free pools year-round. Full maintenance framework in our pool maintenance guide.