Replace the caulking agent in the original gaps with caulking agent in the blackened areas; or clean them with a suitable cleaning agent.

The caulking agent replaces the caulking agent in the original gap. Be sure to use a tool to remove the blackened caulking first, otherwise it will be more difficult for you to carry out subsequent work. However, here is a reminder that you should also pay attention when removing it. Do not Even if you scratch the corners of the tiles, you still need to pay attention to safety.

After removing the blackened caulking agent, you must clean it first. At the same time, you must also ensure that every gap is cleaned, which will also affect the later adhesive effect.

Cleaning and maintenance of ceramic tiles:

1. Ordinary dust on the surface of ceramic tiles can be cleaned with detergent, soap, washing powder, etc.

2. The wax layer on the polished tiles when they leave the factory can be removed with a decontamination king.

3. The residual cement scale, caulking agent and other dirt on the surface of the ceramic tiles can be removed with the descaling king.

4. Use chemical solvents to dissolve and remove paints, coatings and other pollutants, such as Tianna water, etc.

5. Black metal scratches, welding marks, etc. can be removed with the Descaling King.