OXY Tablets Hot Tub & Swimmingpool Chlorine Free MINI 1Kg OXY Tablet Mini Tablet Chlorine Free Chemicals: 1kg = 50 x 20 grams Slowly dissolving tablets -based chlorine-free oxygen are used for treatment of swimming pool and hot tubs water , gradually dissolves odor . 
active oxygen treatment is a powerful disinfectant able to destroy bacteria and other micro-organisms found in the water of your hot tub. It, however, does not contain any chlorine so minimizes all unwanted effects to the skin and on the spa.
They can be used independently of the water hardness , acid- treated and slightly reduce the pH of the water . PACKAGE: 1 kg 
SUMMER and swimming in the pool WITHOUT CHLORINE?  6 reasons you need to try OXI tablets 
 1. They are designed for water treatment in swimming pools, whirlpools and wellness 
2. Dissolves gradually and odorless 
3. You can use them regardless of the hardness of the water 
4. They act acidic and slightly lower the pH value of water
 5. The presence of oxygen guarantees the oxidation of water and thus maintaining its purity 
6. Due to the loss of excess oxygen, you can bathe very soon after use