PH = 8.4! - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 01-04-2004, 05:00 AM Thread Starter
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I just received the Hagen master test kit and did a baseline test.

PH = 8.4 :shock:
GH = 3
KH = ~.5
Iron = 0
Phosphate = .25ppm

I dosed Flourish Iron per the instructions just after the test. Note: No nitrate test done as I just changed 50% of the water. Seeing as the as the water is relatively soft, peat can take care of the extremely high PH correct??

For tank specs, please go here. I'm too lazy to type it all out .

(edit: corrected phosphate reading)
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post #2 of 5 (permalink) Old 01-04-2004, 12:37 PM
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Something is effecting your water chemistry. Normally with a kH under 1 and a gH of 3 you would expect at best to see the water pH at 6.8-7.2 Did you test the water right out of the tank? Have you added any kind of pH buffers? pH up or anything like that? What's your tap water pH, test it after it has rested for at least 12 hours. Tell me where you live and I will try and pull a water quality report to see if the water company is screwing with your water like they do in Boston.
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post #3 of 5 (permalink) Old 01-04-2004, 04:35 PM Thread Starter
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http://www.aswater.com/CSC/Water_Qua...ctorville1.pdf

Here's the best I could find. There aparently are 4 different water sources for my city...I didn't go thru each one of them, but I picked the one that shows the service area closest to me. They're probably all nearly indentical.

I've used no ph chemicals, I did test the water right out of the tank and didn't let it settle for 12 hours (didn't know I was supposed to do that). I'll try pulling a sample of tapwater and tankwater and letting them sit for 12 hours.

Does the 12 hour thing also apply to testing other parameters besides ph??
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post #4 of 5 (permalink) Old 01-04-2004, 08:00 PM
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The 12 hours applies only to pH from the tap. You want to let any dissolved gasses escape from the water. But I really don't think that's going to be a problem in your case.

Do you have a water softener? The water report shows an average pH of 7.6 with about 7 of kH.
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post #5 of 5 (permalink) Old 01-05-2004, 01:01 AM Thread Starter
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No softener. But, I did test the tank water just after the water change so that water was pretty fresh out of the tap. Also, this was the first test...so could there be some sort of residue on the test tubes??
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