Which of the following methods is used to remove organic debris from pool water?

The selection of all of the above as the correct answer highlights that each method plays a role in managing and removing organic debris from pool water, although they function differently.

Filtration is a crucial process as it physically removes particles, including organic debris, from the water as it passes through a filter medium. This is a vital step in maintaining water clarity and hygiene in swimming pools.

Flocculation involves adding chemicals that cause small particles, including organic debris, to clump together into larger aggregates or flocs. These larger particles can then be more easily removed by the filtration system or settle to the bottom for manual removal. This method enhances the overall clarity of the water by capturing finer particles that might escape standard filtration.

Shocking refers to the process of adding a significant dose of chlorine or other oxidizing agents to the pool water to eliminate contaminants, including organic matter. This helps to break down organic materials, sanitize the pool, and restore water quality.

Each of these methods contributes to the removal of organic debris, addressing not only the physical presence of debris but also maintaining overall water quality, safety, and aesthetic appeal in the pool. Thus, selecting all of the above acknowledges the multifaceted approach necessary for effective pool maintenance.