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Old 10-27-2004, 11:37 AM   #11
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I'm not familar with that filter. Where is the biological filter?
What is the normal pH of the tank?
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Old 10-27-2004, 11:43 AM   #12
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Why is the PH rising so quickly?
Unless you are using chalk as a substrate, regular water changes should keep things balanced. As to the 400, the most important biological filtration takes place on the wheels. I tend only to use two slots as I think if you are using more than two, more water bypasses the media. Around the intake tube at the top you can often see the overflow. Jeff
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Old 10-27-2004, 02:13 PM   #13
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I wish I could tell you what is going on with the ph. I just don't know. My plan of action is to do more water changes, and to lower the bio load some. I have a pleco (about 8 inches long) and that thing is dirty. I plan on taking him back. And I plan on removing some tetras. I have had this tank for about 8 months and everything was fine up until a few weeks ago. Currently I have...

5 serpea tetras
5 lemon tetras (which are going back)
1 pleco (also going back)
2 clown loaches
2 bala sharks
3 pearl gourami
3 bosemani rainbows

Jeff all I have is your normal aquarium gravel for my substrate.

I just tested the water again and my ph is 7.6 or higher cause that is the range of the test kit, my ammonia is 0ppm, the nitrite is 0 ppm, and the nitrate is 40ppm.

Other than more regular water changes I am clueless.
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Old 10-27-2004, 02:48 PM   #14
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If you have a high KH level and a naturally high PH level, using a neutral PH regulator will only lower the PH briefly. The tank's PH will quickly rise back to where it normally is and will bounce around until equilibrium is reached again. That is why the PH "rose so quickly."

You need a baseline to know where your PH should typically be. Poor a glass of tap water and let it sit over night. Then test that water for PH, KH, GH. This will tell you what your normal levels are coming straight from the tap.

Typically, your tap water PH won't be higher than 8 (mine is 7.8). If it's less than 8 I wouldn't give it a second thought. Just don't mess with it.

Good Luck!
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Old 10-27-2004, 05:22 PM   #15
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I have to get a new test kit (ph)...My tap water straight out of the tap not letting it sit at all is at least 7.6 because that is were my test kit range stops. I know my general hardness is normal but I know nothing about KH.
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