Reef crystals

Mastering the art of locking and unlocking water pathways: What type of valves do you have on your aquarium plumbing?

  • Ball valves.

    Votes: 44 48.9%
  • Gate valves.

    Votes: 48 53.3%
  • Check valves.

    Votes: 21 23.3%
  • None.

    Votes: 23 25.6%
  • Other.

    Votes: 9 10.0%
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