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how much hardeness?

Discussion in 'Talk to Tom Barr' started by TheKillHaa, Jul 15, 2009.

  1. TheKillHaa

    TheKillHaa Prolific Poster

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    Hi,
    my tap water . 26° Gh, pH 7.8.

    650 gal, over 50 sp of plants, strong light (california sun), barely filtered. almost none fish, just plants!

    EI for 2 years, but for water changes (over 60% weekly) i been use mixes of Ro and Tap water in all ratios possible so far, but i have no clear yet if hardeness directly from my tap water is affecting some plants or should i standarize a max Gh value.

    Ph is lowered with heavy dose of Co2.

    any help/guidance will be very much apreciate.
     
  2. Tom Barr

    Tom Barr Founder
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    I've not found much issue with high GH, KH is another matter.

    I had 24 GH for a couple of years without any issues.

    Plants grew very well.

    Regards,
    Tom Barr
     
  3. TheKillHaa

    TheKillHaa Prolific Poster

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    Gracias Tom!!

    yesterday i made a water change 100% of tap water, now i wil use RO just for top off evaporation.

    T.
     

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