Inground pool salt cells are a core component of saltwater sanitation systems, converting dissolved salt into chlorine to keep water properly sanitized. Salt cells are sized to match pool volume and system output, making correct selection important for consistent chlorine production and cell lifespan. These components are typically replaced as part of routine system maintenance. Salt cells are used alongside inground pool salt systems and supported by balanced water chemistry using pool chemicals. Many pool owners also coordinate salt system maintenance with inground pool equipment to ensure proper circulation and filtration.