Is this sand fine for reef tank?

I wouldn't. Acrylic coated sand tends to break down in salt water.
Not to say that it couldn't be done, just not recommended.
Generally, in a reef or fish only salt water tank, crushed coral or aragonite is better
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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