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Thread: Low PH in shrimp tank

  1. #1
    Join Date
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    Low PH in shrimp tank

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    Hi guys, I'm fairly new to the hobby and have a nano planted tank for red cherry shrimp, and was wondering if any of you can help figure out my problem.

    I am having issues with low PH of about 5.90 - 6.10 in my tank, even though I have started using distilled water and remineralizing with Salty Shrimp Mineral GH/KH+ (about 180 TDS). I was previously using lowkeys reminineraliser but i think this was screwing up the PH.

    When I test the remineralised water, PH is over 8. But once added to the tank after water change, in a few days my tank water is back to the low 6.

    Some background info on the tank:-
    Substrate - Gex Best Bio Sand (I believe this is inert)
    Ammonia, Nitrite and Nitrates = 0
    GH = >7
    KH = 3
    CO2 injection - only 2 hours a day, 1 bubble per 3 seconds.
    Fertiliser = 1 drop of Tropica Specialised Nutrition every other day

    It's fairly well planted, with a pic attached.
    https://imgur.com/gallery/cuvylXK

    Do you think I should up my water changes to 15% twice a week? Thanks all!

  2. #2
    Join Date
    Dec 2007
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    Re: Low PH in shrimp tank

    Good tank setup.

    But GEX bio sand is not inert. It lowers PH. I used it on my 3 feet tank.

    Small tanks like this will have PH swing, can't be help.

    For neocaridina shrimp, recommendation is to use sand.

  3. #3
    Join Date
    Feb 2020
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    Re: Low PH in shrimp tank

    Thanks for taking the time to reply! That explains alot. Looks like I will try to increase pH manually with mineral balls etc for now and see how it goes

    Sent from my LYA-L29 using Tapatalk

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