Sea-Lab no 28 blocks seem to be making a comeback, what's your experience with them?

mizimmer90

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This is my first time hearing about these "magic" blocks but... wow what nonsense lol

Quote from Amazon "This is not a slow-dissolve or time-release product. It dissolves only to replace depleted elements." Which sounds not possible at all...
 

Randy Holmes-Farley

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This is my first time hearing about these "magic" blocks but... wow what nonsense lol

Quote from Amazon "This is not a slow-dissolve or time-release product. It dissolves only to replace depleted elements." Which sounds not possible at all...

It’s not actually impossible. Maybe it really has a mini ICP-MS and 16 little dosing pumps inside each block. lol
 

Randy Holmes-Farley

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I want to see someone throw one of these in a bucket of sea water and show that it never dissolves lol
Nice. Proof without any testing needed.
 

Randy Holmes-Farley

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FWIW, someone is testing the blocks in their tank here:

 

WHITE BUCKET CHALLENGE : How CLEAR do you think your water is in your reef aquarium? Show us your water!

  • Crystal Clear

    Votes: 75 40.3%
  • Mostly clear with a tint of yellow

    Votes: 95 51.1%
  • More yellow than clear

    Votes: 7 3.8%
  • YUCKY YELLOW

    Votes: 3 1.6%
  • Other (please explain)

    Votes: 6 3.2%
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