PVC aquaculture fish tank is a PVC laminated tarpaulin. Weights range from 500gsm to 900gsm. Fish tank tarpaulin is durable and puncture-resistant. This PVC laminated tarpaulin has a steel frame and is quick and easy to assemble. The fish tank will last for more than 5 years. If punctured, it can be repaired with PVC glue and a small patch.