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Thread: pH dropping

  1. #1

    Default pH dropping


    0 Not allowed!
    I'm getting concerned about the pH in my betta tank (5 gallon, planted, gravel and laterite substrate). When I set up the tank and did a fishless cycle, the pH stayed nicely in the 7s (generally around 7.6).

    Lately it's been getting pretty acidic, and something happened to my cycle (I'm reading ammonia of up to .5; I do PWC to bring it down to under .25). The pH test only goes down to 6, so I wonder if it might even be lower than that. I tested the fresh tap water today, and it's about 8.2!

    I worry about:

    Why is the pH even dropping this low?

    During a water change, I'm adding (dechloriated with Prime) tap water of a very different pH. Am I shocking the fish with the pH change?

    My mystery snail recently died. I wonder if the low pH contributed.

    photo: tank water on left, two days after 20% WC. Right shows tap water.

    Last edited by Suda Nim; 05-11-2012 at 04:33 PM.

  2. #2

    Join Date
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    Thanks for the tank list, will make my life much easier, cheers! - FinalJenemba Nailed it! - FinalJenemba I wanted my favorite drink! - BigPoppa My new Albino Plecos they are AWSOME! - BigPoppa Another favorite drink! - BigPoppa 
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    Default


    0 Not allowed!
    Im in the process of cycling 2 tanks right now and my Ph has jumped all over.

    Im told this is normal during the cycling process.

  3. #3

    Join Date
    Dec 2011
    Location
    Bridgeport Connecticut
    Posts
    782

    Awards Showcase

    Your first one Tiari - Strider199 It would take me many months to catch up to how many real bettas you have :) - PhillipOrigami great job with that post - Jaster Hope power is restored ASAP! - C-Dub Because I was wrong, and you were right. Sorry. - bethyMT 
    Cancer sucks and a beer won't replace what you lost ...  but here is one anyway. :-D - 850R Couldn't give you rep so sending a cookie instead for your betta advice! - andreahp 

    Default


    0 Not allowed!
    If your PH goes too low, your cycle will stall out. Its not dead exactly, it just no longer functions. Since your PH is low, and is likely very low, your rising ammonia is due to a stall.

    Things to try:
    Clean substrate really well, and rinse the filters.
    Try a partial small water change daily to see if it raises the PH

    If the PH continues to stay low, you can get crushed coral and place a bit in a filter bag in the filter. This will raise the ph, and you can check the level and add more if it isn't high enough. This will stabilize the PH.

    I have this same issue, and regardless of water changes or cleanliness, the PH crashes and the cycle stalls without crushed coral constantly in the filters. I have never determined what precisely is the cause, however, and have stopped searching for an answer as it is very frustrating. The coral does work, and keeps things constant and consistent.
    2 10 gallon tanks, 1 20 gallon tank, 1 Fluval Edge, 1 29 gallon tank, and one backyard pond.

  4. #4

    Default


    0 Not allowed!
    Thanks, Tiari. I'll get some coral tomorrow.

    I have some cuttlebone on hand. Is there anything I can do with that?

  5. #5

    Smile


    0 Not allowed!
    You might want to get a kit to measure your GH and KH. Your water sounds very soft. The idea for coral is a good one.
    Knowledge is fun(damental)

    A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.

    For Fishless cycling:http://www.aquaticcommunity.com/aqua...ead.php?t=5640

  6. #6

    Default


    0 Not allowed!
    I don't have a liquid test, but the dipstick says kH 80, gH 75.

  7. #7

    Smile


    0 Not allowed!
    If memory serves, those mean your water is rather soft. pH swings will occur; the tank pH will change with time.
    Knowledge is fun(damental)

    A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.

    For Fishless cycling:http://www.aquaticcommunity.com/aqua...ead.php?t=5640

  8. #8

    Default


    0 Not allowed!
    Wow - soft water in Texas! Maybe I can bring in a lump of limestone from the yard... J/K.

  9. #9

    Default


    0 Not allowed!
    I added coral today, and did a 20% WC. pH is 6.8. We'll see how it looks Monday.

  10. #10

    Default


    0 Not allowed!
    Okay, that worked a little TOO well. Here's the pH two days after adding coral to the filter:

    8.8! I should use it for raising cichlids or cleaning my drains! After I saw this, I took out all but about 1 tsp. of the coral.

    Last edited by Suda Nim; 05-14-2012 at 10:49 PM.

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