Elsan Blue Formaldehyde Free Concentrated 1 Litre
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For all Caravan, Motorhome and Boat toilets. New Elsan Blue Formaldehyde Free. Kills germs and odours, Double Concentrate is non-staining and better value because it lasts longer.
Add 30ml to the waste holding tank for every 10 litres of waste tank capacity. Then add 2–3 litres of water. Always ensure that solid matter is covered, adding more water if necessary. More or less fluid may be required depending on the frequency of use and temperature.
Empty the waste tank at a sewage disposal point, then rinse tank with fresh water. Elsan Blue will not harm seals or moving parts.