JOKER multi-active chlorine 1kg - 200g pebbles, a unique treatment for a disinfectant and anti-algae action for a clear and healthy pool. Simplify your life with its practical packaging in small bags of 200g pebbles. Advantages: A single treatment to disinfect, clarify and remove algae from your pool For above-ground or underground pools Easy dosing with a 200g roller pack Features: Multi-active Anti-alga Disinfectant Rollers: 200g Weight: 1kg Packaging: Delivered in its original packaging Caution: Use pool care products with care. Before use, read the label and product information.