You don't need it, but it helps keep it that much cleaner.
I think you need water in your system and salt in your system but no salt water..................I think
The plural of cartridge is cartridges. As in " the cartridges need to be replaced".
It costs $545... each cartridge has 200 thousand shots and once you use them all up, you will need to buy a new cartridge for only $75.
The o rings inside the cartridge have become either faulty, worn or perished. You need to replace the cartridge for you to solve this problem.
can you send a fax without a ink cartridge
If the problem is on the cartridge (as in your rather vague question) change the cartridge. You need to give more details for a specific answer.
You need a gunsmith.
You should consult the instructions that came with the CatGenie litter box system. You may need to replace the SaniSolution cartridge or even the washable granules.
You'll need an ink refiller cartridge kit. You'll get everything you need (which isn't much) included with it.
If you are on a well.
No, generally you only need the black ink cartridge. You should consult your owner's manual for guidance.
depends on if the filtration system also deals with hard water, most don't