Fully automatic low water level protection When the pool pump stops, the water level lowers automatically to prevent chlorine pellets from soaking and to extend pellet life. High quality construction Automatic chlorinator built with environmentally friendly PVC material, offering corrosion resistance, robustness, and durability for long-term use. Overdose prevention Automatic chlorine dispenser helps prevent overdosing. For safe operation, the control valve and the built-in check valve must be completely closed. Easy to use Disinfectant can be added directly into the pool through the dispenser with no extra equipment required, providing a straightforward and reliable dosing experience. Key attributes - Function: automatic low water level protection and direct pool dosing - Material: PVC, environmentally friendly, corrosion-resistant - Performance: robust, durable construction; designed to prevent overdosing Use scenarios - Residential in-ground pools: convenient chlorine tablet dosing integrated into the pool system - Above-ground pools: protects chlorine pellets during pauses in operation, extending pellet life - Seasonal maintenance: simple, equipment-free dosing during routine pool care