Ecodoo Toilet Gel with eucalyptus Cleanse, clean, shine and deodorise Suitable for septic tanks With organic Eucalptus oil* Free from colours, perfume, synthetic preservatives Not tested on animals ECOCERT Certified How to use: Shake before use. Spray gel under rim of bowl and allow to work for 20 minutes; If the bowl is very scaley, leave to work overnight - Brush and operate the flush. Ecodoo Toilet Cleaner Gel 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.