Rigid frame, cleaning solution for preserving old 3.5" & 5.25" disks that are mouldy or dirty.     Best viewed in Chrome, Edge or Firefox

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disk read errors "could" only be dirty disks rather than bad sectors or tracks and surely worth a clean before throwing them out.

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3.5" disk cleaning kit above with Free micro fibre 30x40cm cloth

3.5" disk shown inside the cleaning frame.

catch retains shutter in open position to allow cleaning both sides simultaneously.

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rotating the dial rotates the disk surface for cleaning with the cloth provided.

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See about page for cleaning fluids

rescued disks after cleaning   

cleaning tutorial by original author of the kit - see also about page

Other useful techniques to identify which sides are dirty

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Amiga X-Copy "disk check" feature shows whether problem is on :

either upper or lower surface of disk, track zero is on outer edge, 79 is on inner circle nearest the rotator hub

 only around 400 to go !

5.25" version below: