Specifications: Easy to melt in water at a faster rate. It creates a safer, cleaner swimming pool, enjoy your swimming. Eliminate bacteria and controls algae in the water, no harm to the environment. - Available Chlorine: 90% - Stronger than chlorine 70% that only has 65%-70% available chlorine - 50 KG per drum (Has 250 tablets) - Tablet size: 3 inch - Weight: 200 gram per tablet PRESTIGE POOL ENTERPRISE 011-6318 0200