Flowchem Top & Bottom Eco Toilet Fluid 5L Top and Bottom Toilet Fluid is a premium concentrated and pleasantly perfumed liquid specially developed to be used in both the waste tank and flush tank of chemical toilets in the camping, caravanning and boating leisure industry. Using specialist raw materials, it helps to make the task of emptying the toilet tank more pleasant by removing odours and breaking down the waste, so it is easier to dispose of. Top and Bottom Toilet Cleaner is compatible with all toilet cleaners, motorhomes, and portable toilets. The non-staining formula is biodegradable and contains premium UK sourced raw materials. Waste Tank - Add 200-300ml of product to your waste tank. Follow this with 1 Litre of water to activate the solution. Use every 3-4 days to keep foul odours at bay and ensure all waste is broken down. Flush Tank Add 200-300ml of product to your flush tank for every 1 Litre of water to create your flush solution. If you require a stronger fragrance, si