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FAQs answered by Gentworks:
What is the difference between the cartridges for the Armitage Shanks Aridian and Falcon Waterfree bowls?
There is no difference. In fact, the cartridges supplied for Aridian bowls are usually branded as Falcon Waterfree.
How long do the cartridges last?
Armitage Shanks says that the cartridge will need changing after 7,000 uses. In our experience, we have had a few reports from customers with very busy washrooms (e.g. schools) saying they needed changing every month, which makes them an expensive solution for such facilities. Mostly, the feedback we receive is that they last for around 3 months. Of course, in a low usage area like a home, then they could easily last for a year or more, making them an ideal solution.
How can I tell when a cartridge needs changing?

The cartridge will gradually become full of debris, including hair and urine crystals. When it is completely full, you will either see urine pooling in the bowl or the blue sealant will show. The cartridge should be changed immediately in either of these cases. Before the cartridge becomes completely full, there is a noticeable reduction in the speed of drainage.
Can I re-use the cartridges?
Yes, in theory, but we wouldn’t recommend it. The cartridge will need to be cleaned out manually (not a pleasant task) and then soaked in a bactericide for a few hours. Then a new sealant sachet will have to purchased before reinstalling the cartridge. Over the years, Gentworks has supplied thousands of cartridges to hundreds of users and we’ve only come across one user who has taken the trouble to go through a recycling process.
Why does the Aridian urinal smell even though I only recently replaced the cartridge?
The first models of the Aridian were prone to odour problems but a few years ago the seal between the trap and the bowl ceramics was greatly improved. The current models should not smell at all! If smells are truly emanating from the trap (not from somewhere else in the washroom) then the most likely reason is that the sealant has been degraded. This is often caused by someone over using a cleaning product that contains a degreaser, as many do. Pouring a quantity of water down the bowl can also flush the sealant away. If you believe the cartridge isn’t full of debris, then you could just pour in some more sealant, available in sachets.
What should I clean the bowl with?
Armitage Shanks say a "non-degreaser liquid" should be used and this would be ideal. However, many cleaning products necessarily contain some form of degreaser. Strong acids, including products containing phosphoric acid, should certainly not be used. As no water is being used there is no limescale to remove so no aggressive chemicals are required. A neutral (pH=7) product should work well, even if it contains soap, providing that as little as possible is allowed to drain into the trap. Just spray onto the surface and wipe off the excess. A popular product choice of Gentworks customers for this purpose is Bio-Blue, which is neutral when diluted 10:1. |