The swimming pool brush with a spoiler. The spoiler holds the brush against the wall with more than 10x the force. The Wall Whale.
Keywords: Swimming Pool Brush,Pool Brush Spoiler,Wall Whale,Whale Wall,Whale Swimming Pool Brush,Remove Swimming Pool Algae,New Swimming Pool Startup Brushing,Swimming Pool Maintenance,Yellow Algae,Swimming Pool Algae,Mustard Algae,Black Algae,Brown Algae, Algaecide