POOL FROGŪ XL Pro, uses a Mineral Reservoir in one Cycler and a 7 lb. Chlorine Pac in the other, for complete pool care with x-tended chlorine pac life over the regular In Ground POOL FROGŪ. This allows you to have more fun with your pool and spend as little maintenance time as possible. With minerals, chlorine use can be cut up to 50%* over standard water treatment programs. This is a very convenient way of reducing chlorine use and hassle. The XL Pro does the work automatically while you and your family experience an endless summer. POOL FROG XL PRO Regular price: $529.99 Sale price: $421.67