The Frabill Aqua-Lung Packet is a unique dual action water treatment. Each package contains three packets. Each packet contains a gray oxygen tablet and a blue water conditioning tablet. The oxygen tablet provides up to nine hours of additional life giving oxygen to your bait buckets water to help sustain bait. The conditioning tablet dissolves quickly, conditioning the water by removing chlorine, heavy metals and other contaminants. The conditioning tablet also adds beneficial electrolytes to maintain the bait's protective slime coat. The conditioning tablet turns the water bright blue so you know it is working. Each packet treats up to two gallons of water. The compact size easily fits in to your pocket or tackle box.