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Old 01/11/2008, 09:42 PM
bertoni bertoni is offline
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Join Date: Mar 2002
Location: Foster City, CA, USA
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The nitrate shouldn't harm any of the animals listed so far.

Adding a pH buffer to control pH tends to cause problems, since they are just high-pH alkalinity supplements. I'd avoid dosing them except as the need is indicated by an alkalinity test kit.

The ammonia could harm a lot of animals. Some Amquel or Prime might be useful, along with water changes, although I'd also get a second opinion on the kit. Has it measured zero recently? Such kits can go bad and show a touch of ammonia at all times, in my experience.
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