One of the best, most cost effective, ways of ensuring you get the most of your stereo system and keep your records in pristine condition is to ensure you replace warn out styli. Audiophiles will say that you should do so after 800-1,000 of playing. Certainly, every few years, or if your music starts to sound slightly differently - fuzzy maybe less bright, these are signs that your stylus needs changing and it really is best not to wait too long.
Jumbo always has a range of styli in stock or which this is a selection. If you are unsure of the type of stylus you need, bring your existing stylus to the shop or send an email to firstname.lastname@example.org with a photograph of the stylus and we would be very happy to advise you.