Commercial name: GELCLOR The product is added to the water to be treated via proportional metering pumps to a concentration suitable for obtaining 0.2 ppm of free chlorine after 20-30 minutes of contact (Italian Presidential Decree 236/88). For the treatment of non-metallic surfaces and environments, dilute 10 times (e.g. 500 ml in 5 liters of water). The surfaces to be treated must be previously cleaned and rinsed. Avoid creating splashes during treatment. Air the rooms during and after use.