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Old 07-26-2004, 11:52 PM   #1
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Join Date: Jan 2004
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I think I've hit the limit of my 2 part additions. Ca and Alk are steadily falling in spite of my increasing the A/B additions beyond the max recommended dosages. They worked for a while, but my tank is using more and more Ca/Alk all the time.

I'm using Kent A/B, which I'm sure isn't the best...

But I'm thinking now I should make the jump to Kalk. It is really going to be a pain the *ss to mix this stuff up, but I'm not ready for a calcium reactor yet.

Can someone point me to an article on mixing/buying Kalk? Do you simply replace your evaporation topup with Kalk?...because I go through a lot of water in evaporation. I think I'll be mixing Kalk daily!

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Old 07-27-2004, 12:29 AM   #2
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Mixing kalk is a PIA! I mix about 5 gallons at a time. I don't saturate my kalk mix, just use the recommended 1 tspn per gallon. Depending on your calcium consumption, you might go up to 2 tspn per gallon of RO/DI water. I fill a 5 gallon container with 5 tspns of kalkwasser, stir with a plastic spatula (must be non-metallic), cover the container tightly or carbon dioxide can render the solution useless, leave overnight. The next day, sometimes two, I lift the 5 gallon bucket onto something higher & siphon the solution inbetween the top layer skin that forms and the bottom sediment into another 5 gallon bucket, fill my 2.5 gallon aqua dose and cover the remaining. This last me for about 8 days (2 refills on the aqua dose). I just get the next batch ready after the second fill.
I drip my kalk via a gravity dip line (Kent aqua dose). I feel that topping off evaporation even at night raises the PH too high.
Even with the kalk, I find that I still need to do the two part additive to keep levels in check. I use C-Balance two part.
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Old 07-27-2004, 09:48 AM   #3
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Here is an article on our site that a very knowledgable member wrote. Its very easy to read, yet very comprehensive. I can also point you towards a kalk dripper that can be made for about 5.00 and is very reliable.


Edit: I found that kalk dripper...


175gallon reef

5,100 gal pond

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