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Yes, it is safe to clean silicone caulk with bleach, but proceed with caution and don’t use bleach as part of your regular maintenance cleaning. Always wear protective gear like gloves and a mask, and ensure the area is well-ventilated to avoid inhaling fumes. Never mix bleach with other cleaning products, especially those containing ammonia, because this can create hazardous fumes. Properly used, bleach effectively and safely removes mold and mildew from silicone caulk in severe cases.

The first step to resealing is a thorough steam cleaning of the tile and grout. You can do this by renting a tile and grout cleaner for $80 a day. Once you’re done cleaning the floor, it’ll cost $30 to $40 per quart for sealant. Or, you can hire a pro who will charge $1 to $2 per square foot for cleaning and resealing services.

Grout dye lasts three to 10 years, but the lifespan of any grout finishing product depends on how well you apply it and how much traffic the area gets. Proper application and lower traffic will extend the lifespan. Rushed application and high traffic can mean the dye will only last a few months to a few years.

If left for more than 10 days, grout haze can become very difficult to remove, and it may never fully disappear. After 10 days, you’ll have to use professional grout haze removers and may even need to call in a professional tile cleaner to attempt to get the job done.