FROG BAM offers a 90-Day Algae Protection Guarantee when used in conjunction with the POOL FROG® Mineral System. For use in any POOL FROG® Cycler inside the POOL FROG® Mineral Reservoir. One bottle of FROG BAM handles pools up to 15,000 gallons. Two bottles handle pools between 15,000 and 30,000 gallons. This is a copper based algaecide, do NOT shock within 48 hours of use.