The Grayline Oval Bait Tank you have purchased is a result of years of working with a variety of forage fish, both in fresh and saltwater. We have seen a need for a “better system” and believe through many hours of design and redesign, the Grayline Tank Series – both the oval and round series – is one of the most efficient systems available anywhere today. The following directions and suggestions will aid in keeping your bait alive and healthy for many enjoyable hours of fishing.