The Reverse Helix Gold Claimerwill continuously discharge concentrates and there is no need for sluices. The fan spray can be adjusted for cleaner concentrates and its 3 lead system results in a better and quicker recovery rate. The water tank holds 100 gallons of water and recirculates the water with the use of the dewatering screw, allowing you to run tests in dry areas. The Reverse Helix Gold Claimer is rated for up to 8 yards per hour depending on your material.