gH, pH and kH

schenko

AC Members
Jul 3, 2005
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I am new to the hobby completeley... I want to get the water right for the fish and I am hoping someone might feel sorry for me & help me get started!

I am a quick learner & an information junkie, so I have had no problem learning & understanding what I need in order to have the fish I want. I have well water that gives me a very low pH (6.0) from the tap with 1gH and <1kH.

I purchased a 45 gal (tall) tank & have the undergravel filter with a Tetra Whisper 60 filter on the back of the tank and a Rena 300 to supply my 2 tubes with airstones. I also purchased a 36" bubble wand & hooked that up to a separate Air-Tec pump. I have only put 3 small fish in it thus far. The fish I want (& have) thrive in a gH of 3-6 and a kH of 6-8 with a pH of 6.8-7.2. I have successfully raised the hardness to 4-5, and the kH to 5. The problem is my pH has risen to 7.2-7.5. If I do a water change, the gH & kH go down again without the treatments I used to raise them. If I add Seachem pH 7.0 to the water, the kH goes down. When I add the Buffer Up - the pH goes up.

I was reading somewhere on pH & kH and water movement/air circulation has an impact on pH?? Is this problem solved as easily as turning off the bubble wand? The current in the tank does seem swift, but I think that may be caused more by the tubes & back filter. I'm not sure. What do I do?

CAN ANYONE HELP ME PLEASE?
 
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Without additives, what is your KH? What treatment are you using?

Also, realize that most fish will be just fine in clean water that's not within the listed range. Those ranges reference their native waters--but with tank bred fish, this is meaningless. For most fish, they can easily adapt to your water given a proper acclimation, no modification needed. As you've found, altering water parameters is easily done, but lacks the stability needed for healthy fish.
 
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