Product Name: Canned Effervescent Tablets Key Words: Swimming Pool Cleaning Specifications: 200g(10pcs * 20g) Ingredients: Trichloroisocyanuric Acid, Dichloroisocyanuric Acid, Conditioner, Surfactant, Sustained Release Agent Packing Size: 9.7*7.8cm Product Size: 2.5*2.5cm Product Name: Barrel Effervescent Tablets Key Words: Swimming Pool Cleaning Specifications: 300g(10pcs * 30g) Ingredients: Trichloroisocyanuric Acid, Dichloroisocyanuric Acid, Conditioner, Surfactant, Sustained Release Agent Packing Size: 7.2*7.7cm Product Size: 2.5*2.5cm Otherwise The Back Plate Will Be Damaged Specifications: 1. This Pool Cleaning Pill Can Help Reduce The Amount Of Algaecide And Flocculant You Use 2. Helps Prevent Algae And Improve Water Transparency 3. Contains Cyanuric Acid (stabilizer), So It Will Not Be Decomposed By Sunlight; Provides A Constant Chlorine Dose Creating A Safer, Cleaner And More Enjoyable Swimming Experience 5. Do Not Put The Board Directly Into The Pool, Otherwis Package Included: 1 Jar *(1 Effervescent Tablet) Or 1 Barrel *(1 Effervescent Tablet)