Chlorilong® ULTIMATE7 is a 300g chlorine tablet for 2-step water treatment: shock treatment and permanent disinfection of the swimming pool. This tablet contains a flocculant to remove the finest particles and a hardness stabiliser to prevent limescale precipitation. Chlorilong® ULTIMATE7 acts in 2 steps: The blue layer dissolves in 10 minutes and intensively disinfects the filter. Impurities and bacteria are purely and simply eradicated. The white layer dissolves slowly and evenly to provide continuous disinfection of the water. Its unique and complete formulation results in superior water quality. With Chlorodor Control® capsule to reduce unpleasant chlorine odour in the bucket. Available in 4.8 kg buckets.