Pool Buddy is the only product that prevents the formation of a slippery layer in the swimming pool. This patented water maintenance product, in combination with chlorine, guarantees that the swimming pool is 100% clean and safe! Pool Buddy also ensures that the chlorine lasts longer. This not only protects the environment, but also prevents the pungent chlorine smell. No irritation of mucous membranes and airways! On average, 1 bag per week is sufficient for 2,000 liters of water.