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Results 1 to 10 of 29

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  1. Default Please help me figure out what I'm doing wrong


    0 Not allowed!
    Hi - first time poster here and new to the hobby. Here's my situation:

    Have a 10 gallon tank - this one to be exact: http://www.tetra-fish.com/sites/tetr...l.aspx?id=4261

    Set it up 4 months ago and let it cycle for a few weeks - then put in 4 white cloud minnows to start off. I did pretty frequent water tests and all the levels were 0.

    After about 2 or 3 weeks I put in a betta. Levels were still 0 during weekly testing and everyone was getting along nicely. About a month later, to finish stocking, I put in 2 platys, and 2 danios for a total of 9 fish.

    For almost 2 months, everything seemed to be going great. The fish were getting along great and all the chemical levels came out to 0 in weekly tests.

    Then, about 2 weeks ago, I was doing a 20% water change and accidentally sucked the betta up into the gravel vacuum. I felt horrible and quickly got him out of there. I thought he was going to die, but the next day he appeared much better, and the day after that it was as if nothing had happened to him. I should also mention I changed the carbon filter during that water change. 2-3 weeks went by and I thought everything was good.

    Then I noticed that one of the platys was acting strange. I tested the water and the ammonia had spiked to 2ppm. A day or two later one of the platys died. A day or two after that the betta went. And yesterday and today 2 of the minnows died.

    I have been doing 50% water changes every day since detecting the ammonia and also changed feeding to once every 3 days. Even still, the ammonia seems stuck at 1ppm now.

    Now I'm trying to analyze what went wrong. What could cause the ammonia to spike so suddenly and what should I do now. I should mention that the other levels, nitrate, nitrite, etc are all still 0. pH is 7.6 and water temp is 78 deg.

    My filter system has a carbon bag filter and also some type of bio foam which you don't change and is supposed to hold the good bacteria. I didn't realize and used plain tap water to rinse the new carbon bag. Could that have killed the bacteria in the bio foam piece or is it not enough to be meaningful? Could the incident with the betta have somehow caused this situation?

    I feel so bad that all the fish are dying, and helpless because I don't know what to do next.

    Thanks in advance for any advice.

    ~H

  2. #2

    Join Date
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    Default


    0 Not allowed!
    Is your tap water chlorinated?

    If so... rinsing it in the chlorine certainly would have set your cycle back.

    I don't believe the incident with the betta was the causal factor. But since you mention all your readings were at 0 at the first cycled stage... I suspect there may have been some issue with your initial cycling and now its recycling. How exactly did you cycle? If it was just running the filter without adding any ammonia source... that is not the biological cycle that we talk about here, although some poorly informed fish store employees like to call it so.

    At this point you are cycling with fish. You need to keep up with your water changes, and in fact increase them to keep the rest of them alive. When your ammonia is at 1.0ppm and you do a wc, it should immediately drop to 0.5 since you removed half the ammonias concentration. However, your fish are still continuing to produce waste (ammonia is a product of waste) and that number rises from that point back up for the next day. So keep up on your water changes.

    Eventually enough ammonia converting bacteria will re-grow and you will see Nitrites. Keep up your waterchanges to keep both ammonia and nitrites under 1.0ppm until you get enough bacteria to handle the fish waste load. :)

  3. #3

    Default


    0 Not allowed!
    Most likely imo:
    Your tank was overstocked. Your filter was barely coping. When the carbon stops absorbing chemical s it is a good place for bacteria to set up. You wiped those out and got a tank crash. Water changes are a good way to deal with the symptoms but you need to add filtration or reduce stock.

  4. Default


    0 Not allowed!
    Thanks for the replies. When I do the water change I do see the ammonia level drop. But the next night its right back up again. Another fish died this morning. Now down to 3 fish. I don't understand what keeps making the ammonia go back up again?

    How can I avoid this problem going forward when replacing the carbon filter? I thought that the whole point of the bio foam piece was to prevent this from happening. Is this not considered a good filtration system? The woman in the store I bought the set up recommended changing the carbon filter every 2-3 weeks, by the way.

  5. #5

    Join Date
    Jan 2009
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    Happy Mother's Day! - Slaphppy7 For 7,000 posts!! - steeler58 Thanks for the rep!! - steeler58 For working with new fish keepers! Outstanding this month. - Taurus Just Because - Surfdog 
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    Thanks for the rep!! - Compass this doesnt look like pie... not the right kind.. - Sandz for providing solid guidance to others - RiversGirl Thanks for the rep! :) - Compass cheers - Fishhook 
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    Default


    0 Not allowed!
    I agree with both posters above and just want to add this for you to read. http://www.aquaticcommunity.com/aqua...ad.php?t=36492

    Which filter do you have? If possible it would be better to use ceramic media instead of the carbon since ceramic media holds much more bacteria than the sponge and doesn't need replacing.
    The ammonia keeps going back up because the fish are producing waste and the bacteria needed to convert it to less toxic nitrates has not been established. This will continue until the tank is fully cycled.
    When I go fishing I just place a sharp rock in the water and sit there waiting for all the dead fish to float to the top... Kingfisher
    Brutal honesty will be shown on this screen.
    I think my fish is adjusting well to the four gallon, He's laying on his side attempting to go to sleep on the bottom of the gravel.
    Tolerance is a great thing to have, so is the ability to shut up.

    I can explain it to you, but I can't understand it for you.


  6. #6

    Join Date
    Apr 2010
    Location
    Seattle Side of the Mountains
    Posts
    2,512

    Awards Showcase

    hope this works - William hopefully this one shows up. - KingFisher It's the closest thing I could find to a snowflake. - Taurus Happy Birthday Girl. Wishing you many more. Ya thats why the Champagne is in play. hehehe - Strider199 For piping up - ~firefly~ 
    Merry Christmas! - ~firefly~ Merry Christmas - Cliff Merry Christmas - gadget228 Thank you and Happy Holidays! - KingFisher Merry x-mas and a Happy New Year Trillianne - Strider199 
    Happy New Year!!! - Rue Thank you for the birthday wishes. - mommy1 Thanks for the B-Day wish - Strider199 Thanks for the Rep! - steeler1 Thanks, and one for you too. - mommy1 
    lol - 5 steps to gift giving.  We should eat more bananas... potassium and all that. - KevinVA Here's to one crummy Superbowl, lol! - Slaphppy7 Happy Easter! - Slaphppy7 No Message - Fishhook A Birthday Bunny. - gadget228 

    Default


    0 Not allowed!
    What keeps making the ammonia back up is the fish. The ammonia is from fish waste.

    With a completely cycled tank, the bacteria colony is large enough to convert the ammonia into nitrite and then into nitrates as quickly as the fish can make it. Unfortunately your colony isn't developed enough to handle it yet. Thus you need to be the "bacteria temporary employee" and do water changes to help them out.

    Carbon isn't necessarily needed in a filter set up. It should be used when you need to filter out medication, but you do not actually need to continuously use it. You've be better served by using that space towards bio media to house your bacteria colony.

    I think I found the kit you mentioned... and it mentions a PF-10 Whisper Filter as part of the kit. Which is rates up to 10 gallons. What they don't mention is that it is not really designed for a well stocked 10 gallon, but more for a lightly stocked 10 gallon. If you have too many fish producing waste there may not be sufficient water flow for the bacteria colony to grow to where it can keep up.

    So for the future.... continue with water changes. Replace the carbon with something more suitable for your bacteria to grow. When you rinse the sponge out, make sure you do it in dechlorinated water, such as old tank water. And do read that link mommy suggested so you better understand the biological cycle.

  7. Default


    0 Not allowed!
    Got it. Will definitely research the other filter options as well. I understand the cycle, but figured that since all 9 fish were living happily for for 2 months or so that everything was in balance and set up correctly.

  8. #8

    Default


    0 Not allowed!
    Prime does detoxify ammonia for like 24 -48 hours so it's possible that is what is saving your fish from the ammonia with frequent water changes. You still need to get that down though with several back to back large water changes.
    ~Manna
    10 gallon live planted aquarium with 6 neons
    90 gallon fw community in progress

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