Closed loop recycling system and dip tank for antimicrobial compounds

A suction system for withdrawing a liquid from a tank comprising:

• a suction box, comprising:
• a bottom wall;
• at least three side walls extending from the bottom wall and being at least partially open at a fourth side;
• a filter screen covering at least a portion of an aperture located in a wall of the tank, wherein the filter screen does not extend to a top of the aperture;
• one or more drain holes through the bottom wall, at least one of the side walls, or a combination thereof;
• and
• wherein the suction box is engaged with and in fluid communication with the tank.

A suction box comprising:

• three side walls representing a first side, second side, and a third side, respectively;
• wherein the first side and the third side are opposing;
• wherein the second side opposes a fourth side;
• and
• wherein the fourth side is at least partially open;
• a bottom wall, wherein the three side walls extend from the bottom wall;
• one or more drain holes through the bottom wall;
• a sensor for measuring a level of liquid in a tank;
• and
• a filter screen;
• wherein the filter screen forms a portion of the fourth side;
• and
• wherein the filter screen is a plurality of round bars;
• and
• wherein the suction box is attached to a first wall of a tank;
• wherein the first wall of the tank includes an aperture;
• wherein the fourth side is adjacent to the aperture;
• and
• wherein the aperture located in the first wall of the tank has a first height;
• wherein the filter screen has a second height;
• and wherein the first height is greater than the second height.