Fenwicks have long been regarded as the 1st choice for cleaning products by most caravanners, we certainly use and recommend them.
Fenwicks Waste Pipe & Tank Cleaner is a multi-purpose product as not only can it be doubles as a Waste pipe and tank cleaner it can also be used to unblock pipes and clean interior surfaces (follow manufacturers instructions) leaving them food safe.
What the manufacturer says:-
Fenwicks Waste Pipe & Tank Cleaner cleans and freshens waste tanks and toilet cassettes. Its powerful formula removes stubborn stains and unpleasant odours. It is the only product you need to clean the waste system and interior of your caravan or motorhome. Highly concentrated formula, guaranteed results.
Available in 1 litre bottle
How to use Fenwicks Waste Pipe & Tank Cleaner
Waste tank (grey & black)
Add 100ml of Fenwicks Waste Pipe & Tank Cleaner and 5 litres of warm water to the waste tank, allow to soak on all surfaces, shaking tank occasionally. Rinse thoroughly, repeat if necessary.
To eliminate unsightly bits from the flush system, add 50ml of Fenwicks Waste Pipe & Tank Cleaner and 2 litres of warm water to the flush tank, allow to soak and flush completely through.
Pour 50ml to 100ml of Fenwicks Waste Pipe & Tank Cleaner down the blocked pipe. Leave for a couple of hours to clear.
Dilute 50ml of Fenwicks Waste Pipe & Tank Cleaner to 450ml of water, apply using a trigger spray to all hard surfaces, allow 20 seconds to soak and wipe clear for a clean sanitised finish. Suitable for work tops, fridges, etc as this product leaves a food safe surface.