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great struff

  1. Beginner Discussion
    Currently finishing up carving my great stuff background. Should I stop it just above the substrate line or let it go under the substrate line when lining it with hygrolon? I plan on siliconing all the edges exposed to glass as well.
  2. Beginner Discussion
    can i put the great stuff right on the glass or do i have to put it on somthing then put it in the tank?