780ml bottle of Aqua Kem EUCALYPTUS A powerful, highly effective, 2½ times concentrated toilet fluid with a fresh EUCALYPTUS fragrance for the waste-holding tank of your Cassette and portable toilet. Product Usage: Dose 60 ml per 20L waste-holding tank capacity and add 2-3L of water, 1 dose lasts up to 5 days. Softens and dissolves waste and breaks down tissue quickly to prevent clogging Antibacterial additive used in the tanks of portable toilets for hygienic odour prevention, with strong detergents to clean your tank and drain lines. Works 24 hours as day even in hot weather for continuous action. Powerful toilet fluid for daily use to keep portable toilet fresh, clean and healthy. Aqua Kem Blue EUCALYPTUS is ecological and 100% safe for the septic tank. One dose lasts up to five days. This seriously is the only toilet blue that is worth using. Possibly its not the cheapest, but this is a product that shows that you really do, get what you pay for.Lets face it, when you get to the disposal area, hangover in full swing, dragging the cassette to lift up and "unleash hell" it can be the things nightmares are made of. Thetford blue makes even the worst kebab - alcohol fuelled weekend flush away with only the pine fresh aroma with absolutely no heaving and retching like you do with the cheapo alternatives. Having the proper tools for the task will save time and energy and even the most mundane tasks become a lot more gratifying. Sadly, cleanup isn't everyone's favorite job, however it's one thing we tend to all have to do from time to time. This Thetford product is understood around the world and recognized because it is the No.1 for lavatory additives. The AQUA Kem Blue EUCALYPTUS is a powerful and simple to use bathroom fluid for the waste holding tank that offers the most effective performance for your tank. The formulation provides outstanding odour management while liquefying waste and reducing gas build up