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Results 1 to 5 of 5
  1. #1

    Join Date
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    Question Determining if granite is safe...


    0 Not allowed!
    A few weeks back I ordered a granite hidey rock for my betta because I read it was safe for aquariums. It finally came in the mail and I wanted to put it in today, but I'm not sure if I should...

    I did a vinegar test -- suggested by a few articles online -- just to be safe and while it gave no outward appearance of fizzling, I could hear a faint, slow "crackle and pop" sound coming from it. I've never done this before... is it okay to use?
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  2. #2

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    2 Not allowed!
    Do you have a test kit for pH. If you do then you could place it a small container of water for a day or two and see if the pH changes during that time.
    Do as I say. Not as I do.

  3. #3

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    0 Not allowed!
    Quote Originally Posted by William View Post
    Do you have a test kit for pH. If you do then you could place it a small container of water for a day or two and see if the pH changes during that time.
    Great idea. Thanks! :)
    ~~~~~~~~

    "I just wanna have coffee and pet my dog."

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    3 male guppies

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  4. #4

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    0 Not allowed!
    I would also add an air stone to facilitate water circulation and any "mixing" of the granite and bucket of water.

  5. #5

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    0 Not allowed!
    I'm curious what your rock actually looks like. What I'm imagining from "hidey" doesn't sound very characteristic of the pieces of all the pieces of granite I've ever seen, especially something small enough to fit in a 5g. There should have been no effervescence when applying vinegar to the rock. There is no calcite (CaCO3) or dolomite (CaMg(CO3)2) in granite, which are two common carbonate minerals. There is trace amounts of calcium oxide (CaO) in granite that is a by product from the granite forming in the presence of those carbonate minerals, but it is pretty well sealed in the granite and should have no effect in most granite you can get your hands on.
    Last edited by AABatteries; 01-23-2017 at 11:27 PM.

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