Prevention, not cure
Treats the water on the way in, so scale never forms — the running cost nobody prices at purchase.
Treats the water on the way in, so scale never forms — the running cost nobody prices at purchase.
The cartridge that sits in the water path of a Kärcher SC 3 and treats what goes into the boiler.
Descaling powder dissolves scale that has already formed on the element. A cartridge stops it forming. The second is better for the machine and worse for your wallet, because it is continuous rather than occasional.
Cartridge life and price vary; on some machines the annual consumable cost is a meaningful share of the purchase price. That is not a reason to avoid cartridges — it is a reason to look it up before choosing between two steam cleaners.
Verified on Germany, the UK, France, Italy and Spain. Not sold on Amazon’s US store.
The cheapest maintenance on this site, and the one that decides whether a steam cleaner reaches year five.
The cheaper cartridge, fitting two model families instead of one.
One handle, three functions — the closest thing to a complete car wash in a single accessory.
Eight pads for less than two originals — the sensible way to own enough of a consumable.
Fifteen metres of hose with rear-facing jets — the tool that clears a blockage without a call-out.