How to fix slippery concrete patio?

1. Clean the concrete surface with a broom or pressure washer to remove any dirt or debris.
2. Mix together a solution of 1 part household bleach and 3 parts water in a garden sprayer.
3. Spray the mixture onto the concrete and allow it to sit for 10-15 minutes.
4. Rinse the surface with clean water.
5. Apply an anti-slip additive such as grit, silica sand, or other fine particles to the already wet concrete.
6. Allow the treated surface to dry completely before walking on it.