My old RFT Rema Marcato RX42 Hifi has given up the ghost after 25 years. The volume potentiometer has only scratched, despite all the prophecies of doom, the repair professionals or opponents of chemical Potikeule, two scarcely measured sprays all problems have cleared. The receiver plays like the first day. The spray bottle would be enough for about 250 problems my way. Unfortunately I do not have long-term experience, but in other forums you can read that with applications with this product for more than a year of Poti still work yet. Update 8 months later, potentiometer works without problems
