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  1. Default Help with PH in a new tank


    0 Not allowed!
    I cycled my tank about two weeks ago. the numbers were 0-0-0 however my PH is pushing 8.0. what would be causing such a high PH? and how do I get it down to about 7.2?

    The LFS advised me to get Seachem "Neutral Regulator" which has not done anything. I have a 55 gl tank with eco-substate, artificial plants and one piece of Mopani driftwood.

    I did a 25% water change, added the Seachem... nothing. I tested our water out of the sink it is about 7.6

    Any ideas as to how to lower the ph ?

  2. #2

    Default


    0 Not allowed!
    Wouldn't mess with pH unless you are advanced in chemistry. If your tap water comes out alkaline, constantly trying to adjust pH is like attempting to beat back the ocean with a tennis racquet. Unless you are careful, you will get swings back and forth that can harm fish.mYou don't seem to have anything in your tank that could cause high pH either. Normally culprits tend to be calcareous substrates or rock decorations. If you really want to try, adding peat or CO2 has been reputed to help. In my planted tank, DIY CO2 has brought the pH from 8 down to 6.8-7. However, as soon as I stop dosing, pH comes back up.

  3. Default


    0 Not allowed!
    I do have one rock in the tank, I will remove it and see what happens. With a ph this high wouldn't that limit the fish I can put in the tank?

  4. Default


    0 Not allowed!
    most fish will adapt to a ph, the critical thing is for it to be stable. Of course if you are outside the "optimum" ph range for your fish, breeding becomes a bit more difficult if you want to go down that path. Personally I would leave you ph as is, it can be a nightmare trying to artificially raise or lower it

  5. #5

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    0 Not allowed!
    Quote Originally Posted by 2life View Post
    I do have one rock in the tank, I will remove it and see what happens. With a ph this high wouldn't that limit the fish I can put in the tank?
    Not necessarily. PH plays a role, hardness or total dissolved solids is probably more important.

  6. #6

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    Default


    0 Not allowed!
    0-0-0 seems fishy to me. Sorry to say it but if you cycled the tank you should have something like 0-0-20~40. Getting a reading of 0 nitrates always worries me.... Test your ph out of the tap, if that is 7.2 like you want then you are still cycling the tank.....

    Oh and to test your rock, take it out and dry it off. Splash some white vinegar onto it. If it foams it will raise your tds and ph. If it doesnt foam then it wont do anything to ph

    Edit: sorry i didnt see your post about testing it out of the tap. Some people like to rest their water with a conditioner in it for 24 hrs. I never saw a difference but some people have, its worth a shot
    KING OF THE GOLD BARBS RAWR!!!!
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  7. Default


    0 Not allowed!
    Quote Originally Posted by genocidex View Post
    0-0-0 seems fishy to me. Sorry to say it but if you cycled the tank you should have something like 0-0-20~40. Getting a reading of 0 nitrates always worries me.... Test your ph out of the tap, if that is 7.2 like you want then you are still cycling the tank.....
    shot
    + to above. I suppose it's possible, but it's highly unlikely you could cycle a tank in 2 weeks. How did you cycle it? With fish? Ammonia? Fish food? Do check the stickie in the beginners section on cycling a tank with fish and a fishless cycle. and do ask questions. we want to help.
    Also agree to all comments about PH. don't mess with it. Stable PH is much more important than 'ideal' PH. and your PH will fluctuate while you are cycling a tank.
    30 g FW planted:corys, ABNP, blue angel, harleys, zebra danios, nerites & mystery snails
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  8. #8

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    Default


    0 Not allowed!
    Quote Originally Posted by fishmommie View Post
    don't mess with it. Stable PH is much more important than 'ideal' PH.
    This 100%

    Only intervene if it gets extreme..over 9 would be the point you may want to figure out what is going on.
    Who is "General Failure" and why is he reading my hard drive?

  9. #9

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    0 Not allowed!
    @fishmommie - I believe the OP said the tank was "cycled 2 weeks ago" - meaning it was apparently done cycling, not cycled IN 2 weeks. There are people here who have 0 nitrates but that's usually when there are a ton of plants in the tank.
    46 gal fw tank with black skirt tetras, neon tetras, spotted corys, green corys, 1 guppy, cherry barbs, otoclinus, snails & 4 amano shrimp - plastic & live plants
    5 gal QT with green corys & 2 guppies

  10. #10

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    0 Not allowed!
    And nice and clean tap water.

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