The Thetford Aqua Kem Blue & Aqua Rinse Concentrate Duo Pack makes cleaning out your portable camping toilet and getting rid of unwanted smells, gas build up, and the inevitable gunk and grime from the flush water easy. The highly effective formulation provides a protective layer to block build up and bacteria.How to useChoose a time when the potty isn\'t being used, open the door for 30 minutes or so and allow air to circulate after filling it with the Aqua Kem Blue cleaner. Secondly, squeeze in the Aqua Rinse bottle and give it a final flush after leaving it to soak for another half an hour or so.FeaturesCompact bottle, easy to carryReduced plastic bottle - eco-friendlyHelps prevent limescaleAllows for a more effective toilet flushFresh lavender scentSuitable for ceramic or plastic bowl toilets750ml concentrated bottlesPack of: 2