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  • Lava rock

    Does Lava rock affect pH level?
    Last edited by AmazonPassion; 02-10-2013, 11:49 AM.

  • #2
    I believe it causes it to raise... but I don't remember...

    Edit: http://www.myfishtank.net/forum/fres...ect-ph-gh.html post #9 so i guess I was wrong
    Last edited by Sean; 02-10-2013, 11:39 AM.
    2.5g Betta tank (Rayne)
    2.5g Apple Snail tank (Silver)
    1.5g Saltwater MTS vase (tough little dudes)
    40g red ear slider tank (Kappa)
    "Normal is just an illusion. What is normal for the spider is chaos for the fly." -- Morticia Adam

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    • #3
      Yes
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      • #4
        gotta run the vinegar test on it, if the vinegar bubbles then it will cause a pH rise, the effects are unknown on what a particular rock might do, can always put it in a bucket of water if you have it and measure the pH before and then 2 hours after (Also need to have a control bucket poured at the same time, doesnt have to be same volume thou, this is just to see what the water itself does and make a correlation to the water with the rock)
        -Jim-

        Originally posted by Albert Einstein
        If the facts dont fit the theory, change the facts
        Originally posted by Theodore Geisel
        Be who you are and say what you feel because those who mind donít matter and those who matter donít mind.

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        • #5
          Reading that link, it says that lava doesn't affect pH.

          Sent from my SPH-L710 using Tapatalk 2

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          • #6
            Might also depend on where it was from in the world, thou I would expect it to not do much due to all the heat that it encountered on its journey.
            -Jim-

            Originally posted by Albert Einstein
            If the facts dont fit the theory, change the facts
            Originally posted by Theodore Geisel
            Be who you are and say what you feel because those who mind donít matter and those who matter donít mind.

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            • #7
              I've tested a variety of lava rocks. The vast majority don't fizz (affect the pH lol).
              -Jonathan

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              • #8
                I have lava rock in almost all my tanks no ph difference after putting it in.
                also have lava rock as my bio media in some of my filters
                Last edited by M0T0; 02-11-2013, 04:42 AM.
                Matt

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                • #9
                  Bought some Lava rock today at home depot for dirt cheap

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                  • #10
                    what kind of lava rock are you using? What are you using it for?
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                    • #11
                      I don't know what kind, it just says Lava Rock on it. I'm going to make a structure out of it.

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                      • #12
                        This stuff lol?

                        -Jonathan

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                        • #13
                          Yup.

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                          • #14
                            Love this stuff. I know someone who has her entire 210g planted with those rocks as a substrate. Looks awesome.
                            -Jonathan

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                            • #15
                              I see lava rock intended for gas grills, same stuff?
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