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Old 02-05-2005, 10:05 AM   #1
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Water Questions

This is very newbie-ish, but I am trying to figure out what "normal" values for Ammonia, nitrites and nitrates should be in an established tank (freshwater 55Gal) that is not overstocked and is planted. (2 grasses, a brazillian sword and a moneywort).
Here are graphs of my planted 55G and my non-planted 20Gal.


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Old 02-05-2005, 10:16 AM   #2
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In an established tank (one that has reached equilibrium with no more fish added), Ammonia and nitrites should be zero. Nitrates should be between 10 - 20 ppm. Tanks that contain plants often have much lower nitrate readings becuase they are consumed by the plants.

HTH
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Old 02-05-2005, 10:26 AM   #3
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cool...
Looks like I am well on my way.
55G was started on 1/17 with Bio-Spira, 20G was overstocked and had been up for 6 months... got the fish into the 55 on 1/19 (All but 5... the meat eaters... 2 Senegal Bichir's, 1 clown knife and 2 sailfin Pleco's for cleanup)
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Old 02-05-2005, 10:36 AM   #4
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Yup, exactly what BrianNY said.

I love your graphs, BTW. I did the same thing when I first cycled my 58 gal. I kept detailed records every day for two months and eventually plotted them on Excel. I thought it was simply because I'm a science geek - glad to see I'm not alone!
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