Download FREE Biofloc book by Best-Selling Author! Begin your Biofloc fish farming journey with our essential ebook, "Biofloc Fish Farming Technology: An Overview and How to Get Started." Get all your basic questions answered and prepare yourself for success in the world of Biofloc farming. <<Download NOW >> Among the regular test of Biofloc water to maintain the parameters is the checking of sludge in the bottom of the tank. Sludge formation in the Biofloc tank can not be avoided completely, but it can be handled by draining it on a regular basis. How Biofloc aeration system treats sludge? The pump pushes the air to the tank through PVC pipe and distributed through the air tube which is connected to the air stone at the end. Air stones help air to be distributed through the tiny holes making micro-bubbles in the water which help oxygen to dissolve in water evenly and push sludge from the bottom for maintaining floc at the surface. How to check the slud