What should be used for cleaning fire hoses to maintain their effectiveness?

Using a mild detergent is the most appropriate choice for cleaning fire hoses to maintain their effectiveness. A mild detergent helps to effectively remove dirt, grime, and any contaminants that may have accumulated on the hoses during firefighting operations, without causing damage to the materials or compromising the integrity of the hose.

Fire hoses are typically made from synthetic materials, and using harsh chemicals or abrasive cleaners can deteriorate these materials over time, potentially leading to reduced performance and safety hazards when the hose is in use. Mild detergents are designed to clean without being overly harsh, making them suitable for maintaining the lifespan and functionality of the hoses.

The other options, while they may have cleaning properties, are not ideal for this specific application. Bleach can be too harsh and might weaken the fabric of the hoses. Hot water, although effective in some cleaning scenarios, doesn't provide the necessary cleaning agents to remove oils and certain residues effectively. Soap and water can work, but it may not be as effective in removing tough substances as a mild detergent specifically designed for cleaning purposes. Therefore, mild detergent stands out as the best option for comprehensive care of fire hoses.