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  1. Gaggia Forum
    I just noticed my GCP group head has some paint peeling off similar to the picture in the reddit thread. However, I installed a PID and cut my stock spring, is there any point I reach out the store I bought it from? I'm worried about drinking metal flakes...
  2. Gaggia Forum
    @bbb22 Were you able to change the pressure to 9 bar with this part? Does everything run well? Would you say this mod is reversible if needed?
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