The Floatron kills algae and is a safer and economical alternative to the chemical marinade of most pools. It is solid state with no moving parts, no batteries and is portable and cost-effective. The mineral electrode depletes after 1 to 3 seasons (depending on pool size) and can be replaced. No more chlorine allergies, red eyes, discolored hair, or bleached bathing suits. Floatron will typically reduce chemical expenses by an average of 80%. Comes complete including a 24-month manufacturer's warranty. Effective for pools up to approximately 40,000 gallons. Floatron Benefits: No More: Red Eye, Discolored or Bleached Hair & Faded Bathing Suits Reduce Chemical Expenses Non Toxic Unlike Chlorine which degrades, the Floatron USES NATURAL MINERALS which do not degrade or evaporate Safe to swim in pool with the Floatron Pool Cleaner How Does the Floatron Work??? This natural pool cleaner is solar powered and does not require batteries. Simply set the Floatron Pool cleaner in your pool and allow the unit to float atop of the water. As the sunlight powers the Floatron, the sunlight is converted into a harmless electrical current which energizes a special alloyed mineral electrode below the water. This causes the release of mineral ions converting your pool water into mineralized or ionized water, which in turn controls the growth of microorganisms in your pool. Enjoy your pool this season without all the chemical side-effects that comes along with chlorine pools. Keep your bathing suit from fading and bleaching, avoid redeye and don't worry about damaging or bleaching your hair - These are all nasty side-effects of chlorine pools.