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Thread: huge ph out of the RO unit

  1. #1
    Registered Member
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    Dec 2017
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    Default huge ph out of the RO unit

    hey guys,
    I keep having problems breeding discus.. I figured out how to grow them but still cant manage to breed them no matter what I do :P

    annyway, since my water is very bad for breeding discus here (tds 450-600) I bought a RO unit to lower TDs. The ro unit works ok.. brings down tds down to 20-30, kh/gh to 1-3, but eggs still turn white after 24h... after deeper checks I saw my PH out of the RO is over 8 (8.3) - tap is 7.8. this high PH is stable even after 24h...

    now questions:
    1) if everything else is ok and stable (kh/gh/tds) do I really need to aim for low ph aswell in order to breed discus?
    2) i kept reading about lowering PH and cant really find a good way to keep it at a certain lvl without risking ph crashes and kill my discus..

    thank you

  2. #2
    Registered Member
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    Apr 2003
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    San Francisco
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    2,981

    Default Re: huge ph out of the RO unit

    I have my tap around a ph of 8.9 hatching without any problems. Might be that the males has a low sperm count.

    Cliff

  3. #3
    Registered Member
    Join Date
    Dec 2017
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    5

    Default Re: huge ph out of the RO unit

    Hmm so I shouldnt bother with droping ph?..

    Thank you... they spawned again today(tds 105)..

  4. #4
    Homesteader RogueDiscus's Avatar
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    Jun 2009
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    OR
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    Steve

    Default Re: huge ph out of the RO unit

    My pH was always similar. You have very low tds but what's there is still carbonate. What Cliff said.

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