Layer 1:Outer layer, available in white or colored, is highly UV resistant, protecting the tank from weathering. The specially engineered polymer prevents cracking and wear from varying temperature conditions
Layer 2: Middle Black Layer Black color UV sun-shield layer
Layer 3: Middle Off-White Layer Thermal insulated layer that maintains water temperature. It adds to the strength of the tank body
Layer 4: Inner White Layer 100% food grade material layer, which eliminates bacteria by 99.9%.