For a customer in Brazil, mold was a constant enemy in his bathroom. After switching to CHNGOO CHG-83, a neutral mildew-resistant silicone, the problem vanished. The sealant created a waterproof barrier around tiles and bathtubs, staying white and clean even after years of use — just like the day it was applied.
Problem: Slight yellowing or mildew spots appear after a few months of use.
Solution: Ensure the base surface is completely dry before application; regularly wipe the surface and maintain good ventilation.
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Problem: The sealant layer peels off or forms bubbles.
Solution: Avoid contact with oil stains or cleaning agents before applying the sealant; do not expose the area to water within 24 hours after application.
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Problem: Mold reappears.
Solution: Use CHNGOO mildew-resistant Grade 1 sealant and clean the bathroom’s wet areas regularly.