Bicarbonate of soda dilution and dosing

Discussion in 'Beginner Discussions' started by Tobes, 5 May 2008.

  1. Tobes

    Tobes Retired Moderator

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    Howzit guys, been a bit scares lately. Work, work and work - u know?

    My questions: 1) My kH buffer is finnished, and read that you can use bicarbonate of soda as a replacement. Aparently it must be baked for 2 hrs at 180deg to use in tanks with low ph and as is in tanks with high ph. With my ph sitting at 8.4 in the day and 8.2 at night, should I use baked or not?

    2) How much powder do I mix with how much R/O water?

    3) How much in ml do I dose per day/night on my 300l system? Currently my kH is 9 but need to know this to keep it constant in future.

    Any help from the chemical engineers will help. Thanks

    PS: I read the piece on kH buffer in one of the other forums, but it doesn't give all the figures like grams/litres of R/O and ml/day for dosing. I've got a dosing pump.Cheers for now. :wave2:
     
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  3. sunburst

    sunburst

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    Firstly...A dkH OF 9 is great...... i would not tamper.
    I know.... Long weekend was a blessing

    No baking necessary.

    Depends ...do you really need to add bi carb
    1 tsp in i cup ro.......... measure kH before and after. Once per day. Will rise slowly.

    To keep it constant...regular water changes....If you are topping up with Kalk..... bi carb should be used seldom.
     
  4. Tobes

    Tobes Thread Starter Retired Moderator

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    Thanks Sunburst. Yes, I'm running a kalkwasser and my dkH was still sitting at 6-7 for a long time - I started dosing Reeflife kH buffer slowly at night, and my dkH rose to 9-10. I will test before I add bicarb - thanks for info.;)
     
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