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Old 12-22-2011, 08:59 PM   #1
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Too much calcium or un-working test?

OK so recently bought a new reef master test kit (my old one had everything reading very low...and it was nearly 4 years old, so it was time). So in any event, tonight I did a round of testing...
pH 8.4
KH 179
Phosphates, nitrates, nitrites all showing as 0

Now where this got particularly interesting is that when I went to measure out calcium it came out to require so many drops that the chart in the instructions didn't even show what that measurement would mean. Like, 20 - 25 drops would be 400-500...it took a good 28 or so drops before the test changed color....

So a couple of questions: I know my pH is on the high end of the scale, kh I believe to be more or less where it should be...is it possible that my calcium is really that high off the chart, or is it more likely that the calcium test is faulty? I'm going to take a sample to the lfs tomorrow to verify...
Thoughts?
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Old 12-22-2011, 09:02 PM   #2
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I think you are doing the test wrong. When I was screwing it up I was doing the same thing. Shake it after every couple or even one drop.
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Old 12-22-2011, 09:06 PM   #3
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I think you are doing the test wrong. When I was screwing it up I was doing the same thing. Shake it after every couple or even one drop.
that was actually my first thought as well...tried it three times with three unique water samples in three brand new test tubes. And yea, shook it after every second drop....after every single drop once I got above 20.
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Old 12-22-2011, 09:08 PM   #4
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Well, then something is wrong or your fish are living inside a hollow bone.
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Old 12-22-2011, 09:59 PM   #5
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Well, then something is wrong or your fish are living inside a hollow bone.
LOL
Alright, I'm going to hold off on panic until I get another test tomorrow - corals that I have are all doing fine, and the fish that are in there haven't turned into milk just yet...
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Old 12-23-2011, 01:12 PM   #6
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What brand salt do you use? Some have calcium in the 500 range.
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Old 12-23-2011, 06:03 PM   #7
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Yea, my calc is confirmed in the 550 range right now. Not entirely sure which salt mixture is used as I buy my ro/di straight from the lfs, already salted. Keeps my tank water identical to the water he has in the shop meaning less irritation for fish and corals when it comes time for acclimation. I still do a nice gentle acclimation, but on occasion I've had to hustle through it and never had an issue since, theoretically, my water should be pretty durn close to the water he has.
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Old 12-23-2011, 06:07 PM   #8
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I dont remember how much, but I know that my reef crystals have calcium in them to raise it to a level for...a reef. I dont know if I would be concerned about having similar water to your LFS...I would only worry about it if the price was right...and with my own RO/DI the price just can't compete with making my own and trading it off for pods and other things to the locals.
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Old 12-23-2011, 06:43 PM   #9
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I dont remember how much, but I know that my reef crystals have calcium in them to raise it to a level for...a reef. I dont know if I would be concerned about having similar water to your LFS...I would only worry about it if the price was right...and with my own RO/DI the price just can't compete with making my own and trading it off for pods and other things to the locals.
Yea its most defnitely more cost efficient to make your own. I admit I'm somewhat lazy: I actually did buy an inexpensive ro/di unit: the biggest issue with it is that it makes the water painfully slowly, especially in the colder months (the only place I was permitted to set it up was in the garage)...so in the long run, the 12 bucks a week on water is cheaper than the abuse I'd be taking from the missues for having more fish-tank stuff laying around
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Old 12-23-2011, 06:56 PM   #10
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I just toss a 5 gallon bucket in my sink and turn it on. I go about my day, cleaning, playing with my dog, whatever. By the time I come back it's filled up and I measure out the salt, mix it up, toss in a heater and a powerhead and then go back to what I was doing or go to work. By the time I return it's time for a PWC.
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