Just when you thought the last frontier in pool care had been developed, King Technology races into uncharted territory with Instant Frog! And we do mean race! Instant Frog is easy to install and works faster than fast - instantly! Just add water! Instant Frog is made especially for existing in ground pools up to 30,000 gallons. It drops right in the skimmer basket and lasts for six months. That makes Instant Frog the perfect retrofit mineral product. Instant Frog can reduce the use of chlorine and other chemicals, which results in less eye and skin irritation, less fading to bathing suits and, best of all, less work!