Guess what this is

Mr_Knightley

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Some sort of new crystalline filtration media, potentially resin or polymer based for extracting either copper or nitrate?
 

BeltedCoyote

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Ok the answer is the inside of a DROP scrubber showing bare Green Grabber rocks without growth, and the lights of course are on.

im not familiar with your scrubbers besides your surf line. I myself will be using a CW waterfall scrubber due to space constraints. But any working scrubber is a treasure
 

When to mix up fish meal: When was the last time you tried a different brand of food for your reef?

  • I regularly change the food that I feed to the tank.

    Votes: 43 22.3%
  • I occasionally change the food that I feed to the tank.

    Votes: 66 34.2%
  • I rarely change the food that I feed to the tank.

    Votes: 62 32.1%
  • I never change the food that I feed to the tank.

    Votes: 18 9.3%
  • Other.

    Votes: 4 2.1%
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