Algae as Art

Wampatom

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Photo stacking pictures taken from a microscope.
200414_o4140021 1024px.jpg
 

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

  • Ball valves.

    Votes: 42 48.3%
  • Gate valves.

    Votes: 46 52.9%
  • Check valves.

    Votes: 20 23.0%
  • None.

    Votes: 22 25.3%
  • Other.

    Votes: 9 10.3%
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