Rather than have to replace your leaky tap cartridge there is a good chance you can fix it with a fairly simple method and some simple tools.

For this example which is fixing a leaking bath mixer the tools required were a 17mm ring spanner, 2.5mm Allen key and some silicone grease.

The silicone grease used here was:
https://amzn.to/3GN5GZ7

Link is an affiliate link so i may recieve a small commission if you buy the product but that just helps me spend more time making hopefully useful info.

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