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Old 10-14-2004, 10:11 AM   #1
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Kalk dosing and no changes? - UPDATE

Hi all,

I have been adding pickleing lime to my top off water for about 3 weeks. Before dosing, my CA ranged from 375-390 and Alk was 2.5-3 meg/L. I was trying to bump everything up just a tad but testing after the kalk additions has yielded the same numbers? PH is 8.2-8.4 and temp is 82-85. I have been having temp problems as of late with the MH's.

Also, if you add to much lime to the water will you just be wasting kalk since the water will only absorb so much. I have been putting in 1tbs per gal and I think it should be 1 tsp! I normally error on the low side but not this time.

Thanks
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Old 10-14-2004, 10:28 AM   #2
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How are you doing top-offs?
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Old 10-14-2004, 10:50 AM   #3
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I have a float in the sump that triggers a pump in the top off container. I have the kalk in the top off container.

I evaporate about 6 gal a week. I has been a bit more lately since I have to have a fan on the sump to keep temps down.
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Old 10-14-2004, 11:27 AM   #4
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Perhaps you need more than top-offs are providing?

The only other thing I can think of is that your kalk mixture isn't optimal but I've never used the pickling lime so I'm not sure what the exact quantities for super-saturation would be.

BTW- you might also want to look into Mg.
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Old 10-14-2004, 11:30 AM   #5
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Pickling lime is the same as the Kalkweiser that you'd buy at the LFS. The saturation level is 2 teaspoons per gallon of R/O water, and even then you'll have a tough time dissolving it all.
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Old 10-14-2004, 11:34 AM   #6
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Ah okay.. then I would suggest testing magnesium levels.
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Old 10-14-2004, 11:37 AM   #7
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Yeah, I know about the saturation point now. I just mistaked the teaspoon/tablespoon.

I guess I could add some at my next water change as well.
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Old 10-14-2004, 05:38 PM   #8
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which is it now? I have been under the impression it was 2-3 tablespoons (which is the amount i use) and have the same problems. I found out about the MG thing and got a kit and tested it. It was 1080 ppm, a little low since it should be 1285. So I am now doseing tech-m by kent and am currantly waiting for the levels to come up. I also have beem using pickling lime. I just bought some reg kaulk as I am told it buffers better. we will see, it was only 7 bucks for like 16 oz. I'm not sure what the cost is on the big Island.
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Old 10-14-2004, 07:20 PM   #9
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You can add as much kalk as you want... you want it to be saturated to the point that there is a skin on the top and sediment on the bottom. You take the middle water which will be totally saturated. You can then add more water to the sediment mixture and just keep it saturated.
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Old 10-14-2004, 09:06 PM   #10
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I am getting a film on top and the crud on the bottom. I just dump the kalk in my top off container and my pump is raised a bit so it only pulls from the middle.

I don't have a Mg test kit though. I am almost inclined to just stay where I am at. I switched to oceanic to get a better Ca mix and I have a monti digita and a horn acro(I think) that is growing. I have read that a alk/Ca balance is more important than high Ca though. I just want a few SPS thats all
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