Floatron Solar Powered Pool Cleaner, Natural Mineral Copper Ionizer COPPER IONIZATION - Pool, pond, and water feature cleaning kills algae with natural minerals when sunlight is converted to a harmless electrical current energizing an electrode LOWER CHLORINE LEVELS - Reduce chemical usage up to 80% in above-ground, in-ground, chlorinated and saltwater pools SOLAR POWERED - Environmentally friendly solar panels are low-maintenance and requires little attention, no expensive batteries or high electric bills SAFE - Treat swimming pool while keeping your bathing suit from fading and bleaching, avoid redeye and don't worry about damaging or bleaching your hair DURABLE PORTABILITY - Floating cordless water purifier has a solid state no moving parts design. Crystal clear swimming pool water naturally