If you're an angler who needs to maintain large amounts of live bait, you'll want to look into the aeration systems offered by Oxygen Edge. The Oxygen Edge system consists of a refillable oxygen tank, a solid-brass regulator, and all the hardware you'll need to keep up to 200 pounds of live bait healthy, happy and ready for action. After installation, simply dial in the pounds of bait in your well and Oxygen Edge will deliver the precise amount of oxygen to the water. The system is quiet and can be easily adapted to fit existing live wells and bait tanks. Suggested retail prices runs $365-$700, depending on system size. Oxygen Edge, Anahuac, TX; (409) 267-6458; www.oxyedge-chum.com.