Durable: Large capacity, 10 fl.oz one bottle can use lasts up to 6 to 12 months or more. Low odor -- The irritating odor of gel is less than the ordinary spray.Easy to Use: Keep the surface dry. Applying the mold remover gel to the moldy area, after 5-8 hours, it can be wiped or rinsed, and you will find your tiles or grout brand new. (Please wear gloves)Wide Range of Use: Our all-purpose household cleaners can be used in refrigerator, washing machine silicone sealant, kitchen sink, bathroom sink, silicone sealant, stainless steel sinks, washbasin, toilet bowls, bathtub, veranda, ceramic tile, window frame, and so on.Satisfaction: We're so confident that you'll love our product that we'll refund every penny if you don't like it! if you have any problem with it, contact us at any time for help.