- Test opacity
- Test opacity to prevent algae in the tank. One reason why the water is not clean, smells
- water tank with opaque. When tested by the open fire in the spotlight shone through the tank. The tank must not penetrate into the light - water tanks containing combac nano can inhibit the growth of bacteria up to 99.99% - a test of resistance to UV light - Reinvented maximum protection. Resistant to UV radiation up to level 20, allowing a longer tank - tank water quality. Lifespan of 7 years - testing the tensile strength of the material is hard to specify. And flexibility of the materials used in the manufacture of water tanks.
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