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Let's say I add 5 to 10 gallons of RODI water to a water change?

Discussion in 'General Plant Topics' started by reef12, Apr 23, 2014.

  1. reef12

    reef12 Member

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    Would I have to add anything to the water, or would say the other 25 gallons even all the 10 gallons of RODI water out.

    I want to add 10 gallons of RODI water to my change water, maybe to lower the DH KH of the water sound good?

    Thanks

    Jeff
     
  2. fablau

    fablau rotalabutterfly.com
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    Let's say I add 5 to 10 gallons of RODI water to a water change?

    What's the tank size? What's your tap KH? I have a pretty high KH of 7, and unless I have 50% RO and 50% tap I can't see my KH lower enough. That's why I just avoid using RO, too much work and no really big results (I tried to use RO for 3 months the last summer, then got back to regular tap)
     
    #2 fablau, Apr 23, 2014
    Last edited by a moderator: Apr 23, 2014
  3. Tom Barr

    Tom Barr Founder
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    Cutting say a GH/KH of 8 down to 4 with 50/50 tap/RO works well, or 1/3rd whatever you find works well.

    No need to add extra to it in most cases, but check the Ca and Mg from the tap water company.
     
  4. Tom Barr

    Tom Barr Founder
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    Cutting say a GH/KH of 8 down to 4 with 50/50 tap/RO works well, or 1/3rd whatever you find works well.

    No need to add extra to it in most cases, but check the Ca and Mg from the tap water company.
     
  5. reef12

    reef12 Member

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    Thanks both , might just say hell with it.

    Tank size 125, but might use it on the 75, I see that I can get RODI at Walmart Food store place $.38 cents a gallon so $3.80 for 10 gallons plus the bottle price of $6.00 so another $12.00 , so I won't have to hook up my RODI unit , as the wife does not want me too.:moody:
     
  6. fablau

    fablau rotalabutterfly.com
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    You are welcome. Is that because you are having issues with some plants requiring softer water?
     
  7. reef12

    reef12 Member

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    Not really ,just want to mess around.:rolleyes:

    Jeff
     
  8. fablau

    fablau rotalabutterfly.com
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    I see... I mess around all the time! :)
     
  9. reef12

    reef12 Member

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    Decided to leave it alone though ,too many irons in the fire if you get the drift Fabrizio.:cool:

    Jeff
     
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