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Results 1 to 10 of 17
  1. #1

    Default Possible substrate problem

    0 Not allowed!
    This is from my 29 gallon with firemouths:

    From a different thread I started
    Quote Originally Posted by MLBfan
    substrate: CaribSea Seaflor Special Grade Reef Sand 15 lb
    Quote Originally Posted by Dave66
    Actually that is for marine tanks, that substrate. It would harden your tank water, and every time you do a partial change your hardness would go up and down.

    If you look for threads by me, you'll see how I do planted tank substrates, and why I do them that way. If you have questions about it, just ask.

    Ok, now I fear I may have a bit of a fiasco on my hands.

    So, the substrate is a marine substrate I know, but it says it is also for African cichlids (the tank was originally going to be a Tanganyika setup, but I changed my mind), so with that I got my water tested originally at 7.8 pH and decided that it would be fine given that the fish are not from the wild and the tank are hardy, I drip acclimated these guys: Params went:
    pH-7.8 GH-11 KH-6 on 04-05-2012
    pH -7.4 (suspect that addition of a little driftwood did this) GH-6 KH-4 on 04-09-2012
    pH- 7.8 GH- 11 KH- 6 on 04-12-2012 (A fish died a day after that)
    ph- 8.2 GH 13 KH 7 on 4-13-2012
    pH -8.0 GH-18 KH-9 on 04-16-2012 (Fish died on that day)
    ammonia, trites and trates remained 0/0/<25 through the entire time

    Some human error while testing could have messed up the results a tiny bit, but now I'm wondering if the substrate did this, I haven't done any water changes yet because the params remained good and I didn't want to upset them because they were already super freaked out. However I did add some water in to fill it to the water line. Anyway, should I change substrates? If so, how do I do that and keep my fish alive and well?
    American League Champions! TIGERS!

  2. #2


    0 Not allowed!
    The main issue is not with the water hardness, but in the fluctuation in parameters.
    <-- Click for journals
    "There is no right way to do the wrong thing." - KingFisher "Only bad things happen fast in this hobby" - Cliff

  3. #3


    0 Not allowed!
    My guess would be the sand. It is meant to buffer the water and keep it on the high side of pH for africans.

  4. #4


    0 Not allowed!
    So should I change substrates?
    American League Champions! TIGERS!

  5. #5


    0 Not allowed!
    I would advise it. Get something inert that will best suit the stock you have now. You can always dry and store this substrate for later if you need it.
    <-- Click for journals
    "There is no right way to do the wrong thing." - KingFisher "Only bad things happen fast in this hobby" - Cliff

  6. #6


    0 Not allowed!
    Ok, so how can I change it without disturbing my fish by getting a big drop in hardness or pH?
    American League Champions! TIGERS!

  7. #7


    0 Not allowed!
    Change the substrate and leave the water. Then gradually do small water changes over the course of the week
    <-- Click for journals
    "There is no right way to do the wrong thing." - KingFisher "Only bad things happen fast in this hobby" - Cliff

  8. Default

    0 Not allowed!
    I'm new to this but could you suck the sand out with a syphon and add cleaned gravel by handfulls ?

  9. #9


    0 Not allowed!
    I think I'll siphon the sand out , do daily 10% WCs, and later in the week put some gravel in.
    American League Champions! TIGERS!

  10. #10


    0 Not allowed!
    Actually, is there another way to remove the sand? I'm afraid doing this will also remove a lot of water which I will replace and the pH and hardness will be all over.
    American League Champions! TIGERS!

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