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So the tank has been setup for a few days now. If you read any of my other pH posts.. you know that I was still trying to get it right. I added some harder water with my water change this morning, and did a 50%-60% change, hoping that the harder water would buffer the pH to stay put, and I went ahead and added some pH down to see if it would stay.
So at noon today, after the 60% water change and some pH down I had my pH at 7.0 exactly GH at 6 drops/degrees and KH at 5 drops/degrees.
Just now, at 8:30..only 8 hours later my pH is right back at that magic 7.5 it loves to be at! I know that pH adjusters are known to do this, but I was hoping the harder water would help buffer it to stay put, so it would stay there when I did water changes with water with exacting pH levels.
I do not have any decorations except a very very thin layer of black aquarium gravel and about 6 artificial plants in the tank.
Why is it, when I am doing water changes with water that is 6.8 pH, that this water will automatically buffer to 7.5????
What about my filtering media??? I have Fluval Clearmax, Fluval Biomax, ammocarb, carbon, and a polishing pad....Could any of these be a culprit??
I am really at a loss here... What would you do? I have tried all different types of mixtures and ideas I can think of.
So at noon today, after the 60% water change and some pH down I had my pH at 7.0 exactly GH at 6 drops/degrees and KH at 5 drops/degrees.
Just now, at 8:30..only 8 hours later my pH is right back at that magic 7.5 it loves to be at! I know that pH adjusters are known to do this, but I was hoping the harder water would help buffer it to stay put, so it would stay there when I did water changes with water with exacting pH levels.
I do not have any decorations except a very very thin layer of black aquarium gravel and about 6 artificial plants in the tank.
Why is it, when I am doing water changes with water that is 6.8 pH, that this water will automatically buffer to 7.5????
What about my filtering media??? I have Fluval Clearmax, Fluval Biomax, ammocarb, carbon, and a polishing pad....Could any of these be a culprit??
I am really at a loss here... What would you do? I have tried all different types of mixtures and ideas I can think of.