![Is this rust? I am using ghs fast fret to clean the strings but I can't remove this stain. : r/BassGuitar Is this rust? I am using ghs fast fret to clean the strings but I can't remove this stain. : r/BassGuitar](https://i.redd.it/9tk3dke8zwoa1.jpg)
Is this rust? I am using ghs fast fret to clean the strings but I can't remove this stain. : r/BassGuitar
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Amazon.com: Fast Guitar Strings Cleaner Eraser Rust Remover with Lubricant in Brush String and Fret Care for Cleaning Acoustic Eletric Guitar Bass Ukulele Violin Banjo Mandolin Instrument (Dual Head) : Musical Instruments
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![is it normal for my strings to rust this early? i just put them on 4 days ago. I usually play like 3 to 5 hours a day but i also take is it normal for my strings to rust this early? i just put them on 4 days ago. I usually play like 3 to 5 hours a day but i also take](https://i.redd.it/g9gawfgl2fu91.jpg)