pH problems

Discussion in 'General Discussions and Advice' started by vincentputter, 17 May 2012.

  1. vincentputter

    vincentputter I love Nayn cat!

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    Hi guys! My pH was 8.2 and I wanted to bring It up to 8.4 so I added some pH up and now It's 7.2. Does anyone know *** went wrong? There is now live stock in the tank coz It's still cycling, just some coralline and green hair algae.
     
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  3. 459b

    459b Moderator MASA Contributor

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    Are you ure your test kit / Ph pen is callibrated?
     
  4. DarrenT

    DarrenT

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    yeah that sounds like a faulty test kit or pen!
     
  5. JsPLAYn

    JsPLAYn

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    ph of 8.2 dont need bufering, it will sway betweem 8.0 - 8.3 .. check your kh
     
  6. Tobes

    Tobes Retired Moderator

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    A pH of 8.2 is perfectly fine, anything between 7.8 to 8.4 should be OK, as long as it is stable. Why would you wanna adjust the pH if the tank is still cycling? It is better to double check your pH reading before making any adjustments as the test kit or pH pen/monitor might be out and the change might be unnecessary causing problems in the tank.
    Here are some links on pH for you

    High pH: Causes and Cures by Randy Holmes-Farley - Reefkeeping.com

    Low pH: Causes and Cures by Randy Holmes-Farley - Reefkeeping.com

    A Simplified Guide to the Relationship Between Calcium, Alkalinity, Magnesium and pH by Randy Holmes-Farley - Reefkeeping.com
     
  7. mytank

    mytank

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    Well the other thing is did you test for and get 8.2 whilst the lights were on and then did another test and got 7.4 whilst the lights are off.

    Remember there are PH swings when the lights go off....
     
  8. Tobes

    Tobes Retired Moderator

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    It won't be such a big difference, 0.1-0.3 points at most. Mine was 8.2 during the day and 8.0 at night. If the pH would've dropped to that level so quickly then everything in the tank would die.
     
  9. vincentputter

    vincentputter Thread Starter I love Nayn cat!

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    Hey guys! Sorry for replying so late. I found the problem, my test kit was faulty.
     
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