MAREVA active oxygen will disinfect your pool and eliminate germs and bacteria, in a gentler way than chlorine treatments but just as effective. Indeed, your pool will be disinfected and disinfecting, and this without the common unpleasant consequences of chlorine that are odors or irritation to the mucous membranes. These small 20g pebbles guarantee ease of use; the dosage is simple and practical, you just have to put them in your skimmer or floating doser. Finally, active oxygen is a product with less risk of discoloring your liner. Active oxygen is therefore a less aggressive option than chlorine, but please note that above a certain water temperature (>29 degrees), the chlorine treatment option is preferable. Advantages: Effective disinfection Non-irritating No odor No influence on the pH No risk of discoloration of your liner Characteristics : Disinfectant against germs and bacteria 20g pebbles To be put directly into the float/skimmer dispenser Please read the instructions for proper use of this product; please note that biocidal products should be handled with care. Packaging: One jar of MAREVA active oxygen - 20g pebbles - 1kg - 133408ULivred in its original packaging