Concentrated active gel drain cleaner - removes clogs, degreases and cleans! Just one application will do five jobs: descale, cleanse, clean, shine and deodorise Made with organic eucalyptus essential oil Free from colours, perfumes, synthetic preservatives Suitable for septic tanks Not tested on animals How to use: Slowly pour half of the can (500ml) into the drain. Allow about 30 minutes for it to work, then rinse thoroughly with cold water. Repeat if necessary. Don\'t use at the same time or immediately after a descaler (acid) or a bleach cleaner. Do not over use: if the drain is heavily blocked, repeat as necessary. Do not wait until the drain is completely blocked before trying this. Maintenance: Pour ¼ of the flask (250ml) into the drain. Allow about 30 minutes and then rinse thoroughly with cold water CAUTION: contains sodium hydroxide. Keep out of children\'s reach. Can cause burns to the skin and serious eye damage if not used with care. Wearing protective gloves/clothing/eye and face protection is recommended. In case of contact with the skin or hair, remove contaminated clothing immediately. Rinse skin with water/shower. In case of contact with eyes, rinse carefully with water for several minutes. Ecodoo Drain Cleaner is part of the range of Ecodoo speciality cleaning products. Tackle dirt, grease and grime in every inch of your home with Ecodoo eco-friendly cleaning products, from hypoallergenic multi-purpose cleaners to descale and limescale removers. Explore the full range of popular Ecodoo products, including household cleaning essentials and Ecodoo dishwashing products, available from Big Green Smile.