This Rev-Aqua MAREVA complete treatment kit for pools from 18 to 30 m3 combines algicide and chlorine: it's the market-leading kit, recognized for giving you a healthy, clean, crystal-clear pool in just one month, all with low chlorine levels. What's more, it's extremely easy to use. The canister contains 4 doses of algicide and 4 sachets of chlorine: one dose of algicide in the pool and one sachet of chlorine in the skimmer per week. Your water will be disinfected, sanitized and crystal-clear. What's more, this product is odorless, which is a major advantage; it doesn't foam and respects your skin: everything you need for a pleasant swim. Treatment is weekly and lasts 1 month. Suitable for small models, from 18 to 30 ?. This pack contains four kits to maintain your pools for 4 months. Rev-Aqua is available for pools of 18/30 ?, 30/60 ?, 60/90 ?, so that each dose is perfectly suited to the size of your pool. Advantages : Complete treatment for a crystal-clear pool Easy to use Convenient measuring jug and pre-measured sachets Effective anti-bacterial treatment Enhanced anti-algae action Prevents limescale build-up Clarifies and flocculates for sparkling, pure water Increases the pH stability of your pool water Odorless, non-foaming and gentle on the skin 1 intervention per week Features : Suitable for pool sizes from 18 to 30 ? 1 box = 1 month's treatment 4 doses of algaecide + 4 sachets of chlorine per kit Dosages of algaecide for use in the pool Chlorine doses to be put directly into a floating doser or skimmer Weekly use Ref. 140001Ux4 Keep out of reach of children. Biocidal products should be used with care. Before use, read the label and the safety data sheet (download below). Packaging : Set of 4 Rev-Aqua MAREVA kits complete treatment for pools from 18 to 30 m3 - 4 monthsDelivered in original packaging.