Utter crap, this is what you need.
https://www.futureshop.co.uk/quantum-science-audio-silver-extreme-level-uk-mains-fuse/
Most people would see the amount many of us have spent on our systems as crazy. Personally, I won't be buying one of these fuses, but if others have the cash to try them out, good for them I say and even better if they enjoy their music more as a result.