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Results 1 to 9 of 9

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  1. #1

    Join Date
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    Default crushed lava rock as a substitute for bio rings?


    0 Not allowed!
    still in the planning stages of my 55g FW sump system. been thinking of bio filteration, with the cost of bio rings i dont think it would be in the budget, so i was thinking of crushing up some lava rocks into inch or so peices and using them for bio filteration. i think ill have 4"x12" of bio space, so i doubt that will hurt too much. what do you guys think?
    KING OF THE GOLD BARBS RAWR!!!!
    I wonder if i plant one of my tiger barbs would the demon seed grow to a full tree?
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  2. #2

    Join Date
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    Thanks for the clarification - Mith   A few clown for the fellow SW clowns. :D - ILuvMyGoldBarb   sorry about your angelfish - smaug   Many cultures donw through the ages have known that Ice cream is the perfect band-aid for all occasions. ~  Sorry for your loss. - 850R   Here's some Christmass Cheer, Happy Holidays Sheamurai - Cliff   

    Default


    0 Not allowed!
    I don't see any reason why not. It would sorta be like live rock...just as porous and no coralline would ever get in it to clog the holes...
    If carbon holds bb, lava rock should be way better.

  3. #3

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    Default


    0 Not allowed!
    Seachems matrix is kinda cheap. I got 4 quarts for 25 from kensfish.

  4. #4

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    Default


    0 Not allowed!
    Crushed lava rock will work just fine.

  5. #5

    Join Date
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    Default


    0 Not allowed!
    thanks, you all reassured me XD.
    KING OF THE GOLD BARBS RAWR!!!!
    I wonder if i plant one of my tiger barbs would the demon seed grow to a full tree?
    gotta love them bunnies!
    I.R.S.: We've got what it takes to take what you've got!

  6. #6

    Join Date
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    Default


    0 Not allowed!
    Yes it will work. No its not the best. IIRC lava rock has an OK surface area, but the large pores clog up with gunk, can be hard to clean, and it takes up a significant amount of space.

    Crushed terra cotta pots are the way to go IMO. I run them in every tank. Less surface area than the purpose made ceramics, but way more than lava rocks.

    Just my take on it. Lava rocks will probably be fine, but I would be curious how your nitrates look after about a year.
    Who is "General Failure" and why is he reading my hard drive?

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