Quote Originally Posted by urbanfarmer
Oh, ok. Well, the high pH is good for the reproduction of the nitrifying bacteria; therefore, you might as well wait it out. Monitor the pH daily until you see it hit 0 or close to it. You can then start feeding the fish again. This could take a week. If your pH gets over 9 you can add a little pH down to keep it from going too high, but it shouldn't keep climbing for no reason.

The hydro pH down is usually phosphoric acid, which has 3 speciations of itself therefore acting as a buffer. It's food safe; so, it's most likely okay to use in your AP setup. If you get me a product and brand name, I can try to hunt down the MSDS for you.
The Brand Name is Advanced Nutrients. The PH dropped to 8.2 today maybe a sign that the bacteria are finally kicking in. I think I'd prefer to let the cycle do it's thing naturally as long as the fish can handle it. How long can I go with out feeding the fish?