Re: [APD] Storing large amounts of RO water & reconditioning RO water

[Steve B <habubak at yahoo_com>]

Jerry,
   
  OK, I understand now, so I need a hardness test kit.  Then I determine what hardness I want the water to be at based on the level of CO2 I want dissolved in the water, and does a 2:1 mixture until I achieve that hardness, and use the CO2 table.
   
  What type of hardness does this produce?  KH or GH?  It makes a difference in test kits, I've read that somewhere...
   
  Stop me if I'm wrong  ;-)
   
  Thanks!
   
  Cheers & Gig'Em,
  Steve

Jerry Baker <jerry at bakerweb_biz> wrote:
  Steve B wrote:
> Thanks Jerry, that was my next question! I was either gonna google it or ask you where you can find that stuff...
> A follow up question for Jerry:
> You say 2 parts CaCO3 and 1 part MgCO3... per what? Gallon? I'm confused regarding your terminology for dosing.
> 
> Thanks for any clarification!

Per whatever. If it was a lake you might dose two tons of calcium 
carbonate and one ton of magnesium carbonate. If it was a cell-sized 
tank it might be two picogram of calcium carbonate and 1 picogram 
magnesium carbonate. It depends on the level you want to achieve. I just 
mixed the powder in a 2:1 ratio and added some of that mix until I got 
to the hardness I wanted.

-- 
Jerry Baker
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