Is urinating in the swimming pool during training considered a sin, knowing that there are filters and sanitizing agents in the water?

Urination in a swimming pool is forbidden for the following reasons:

1. The prohibition of urinating in stagnant water, and swimming pool water is considered to be in the category of stagnant water.

2. The prohibition of urinating in a bathing place (maghtasal), and a swimming pool is similar to it in this ruling.

3. Disposing of another's property without their permission, as the swimming pool belongs to others, and the contract allows swimming, not urinating, which harms the owner of the swimming pool.

4. Urination may harm others and the perpetrator himself, and harms must be removed.

5. Urination in a swimming pool is a behavior disliked by people and contradicts the principle of sincere advice (nush) to Muslims.