Fish Farming Tanks In fishery, fish breeding in scientific condition, the fish production is 3-5 times than natural breeding.  So 2/3 fish in the world is produced under the RAS/Biofloc system. The portable fish farming tanks are widely used in RAS. Here is the reasons: 1.� UV-Resistance: the PVC adds the UV-resistance, postpone the light aging, no matter indoor or outdoor fish farming projects. 2.� Long lifespan: stable fish breeding PVC for fish farming tanks, increase the working time to over  The PVC materials also add anti-baterials to prevent the bacterials grows. 5.  Easy to move, flexible aquaculture tanks can be packed in small cartons when empty, and set up easily in a few mins. More and more farmers already realize the problems caused by the concrete tanks, they buy the flexible tanks to replace or cover on the old tanks.  So please contact us to get the private plan for your fish farming project.