an enhanced filtration and water conditioning system for a novel bait tank suitable for use in recreational boats , dockside and land based personal and commercial applications wherein water from the tank may be climactically controlled , filtered , purged of sediment , displaced scales and other fish waste and returned to the live well tank . separate first and second water compartments within the tank function in concert with a second interior wall and a second interior bottom , a dual compartment filtration unit removably accommodated within the interior portion of the second compartment , and filtration unit inflow and outflow water conduits with each of the conduits communicably attaching the filtration unit to the first and said second interior water compartments . an independent circulatory means allows for water to be additionally withdrawn from the tank and introduced to a refrigerant based heat exchanger means , regulated in a manner to sustain a water temperature necessary to sustain the life of fish placed within the tank and then re - introduced into the tank .