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  1. #1
    Senior Member Flame*Angel's Avatar
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    Things that cause pH to go down

    I've been discovering a number of things that can lower pH recently that I wasn't aware of. I thought it might be helpful to share what I've learned and it would be great if others could add to the list as well.

    low oxygen
    stresscoat & possibly other medications
    turning off your skimmer
    too high alkalinity
    too low alkalinity
    Susan

  2. #2
    Senior Member Andy's Avatar
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    How bout using Fe-based phosphate removers such as ROWAphos.

  3. #3
    Senior Member tang_man_montreal's Avatar
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    Andy,
    Are you stating that ROWAphos recuces the pH reading, or are you asking whether it does?
    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  4. #4
    Senior Member volitan's Avatar
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    Well i have super high alk and my ph keeps droping down....I just put in a brand new ph probe today...hopefully it was part of the the problem..i dougt it though.....
    Derik...

  5. #5
    Junior Member
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    Here's an article regarding ferrous oxide phoshate reducers.
    http://www.advancedaquarist.com/issu...004/review.htm
    It explains why you may be having problems with your pH dropping when you use ROWAphos and have high alk levels.
    Hardware: 50g drilled Starboard Reef,EuroReef CS6-2,Mag7 return,2xMJ1200 pwrhds,DIY 20G sump,200w EboJager,50 lbs Miyaki LR,Tunze top-up,AE Kalk-Reactor,RO-DI
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  6. #6
    Senior Member reefmutt's Avatar
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    Vince, rowa and phosban will have a lowering effect on ph, but it comes back. You probably know this by now after reading that article that Dalen posted
    By the way
    [welcome]
    Dalen
    Volitan, as Flame pointed out a high alk can lower and hold the ph as well as low alk.
    Flame you shouls repost this in just getting started
    Matt.

    Old system torn down to make a playroom.. planning a 62x42x28 high

  7. #7
    Senior Member Andy's Avatar
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    Thanks guys for stepping in. I guess I should have been clearer with my statement. Matt and Dalen. Thanks for clarifying.

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