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- Apr 30, 2012
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Budman, I’m a little confused…..and believe me, that’s easy to do.
You stated above that you’re now dosing “cooked” baking soda to raise your alk….and got it up to 8.5 dKH….that’s a good thing.
But in the immediate above post you state that you dose kalkwasser (calcium hydroxide) through your top-off….and here’s the confusing part……also doseing calcium (calcium chloride), with a dosing pump????
Now I’m not a kalkwasser person, but typically these folks “top-off” using kalkwasser and balance alkalinity by dosing sodium carbonate (or sodium bicarbonate). I don’t know why you would be using kalkwasser and also dosing calcium chloride??? Was this a typo or am I reading this wrong?
Anyway, to your specific question….dosing two part with kalkwasser….there are those that balance this out with dosing and klakwasser. But for a DIY two part doser, cost wise, you can’t beat two part dosing.
Okay sorry might not be clear.
I have 1 pump right now that im using to dose calcium when needed,1.1ml per minute.
I also have a kalk stirrer where i add a cup of kalwasser every 2 weeks to the unit and it stirs during top off.
i made up a batch of baking soda and have been using my only pump as of now to dose Alk.My calcium level stays up and has been upfor the past 2 weeks(440)
I just want to know when I get my other pump and I will be able to dose Cal & Alk using seperate pumps will I still need to use Kalkwasser or can i get rid of the stirrer.
Hope that makes a little more sense.

But I wouldn't recommend it.

