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On 2006-05-08, Mellie101 wrote:
Hi, I also have the AP master test kit and never get a zero reading for
ammonia or nitrates. I've taken a sample to a LFS and they have used a
different kit and told me it was clear. I always get the minimum
reading. I've had this discussion with others on this board who also
have the same problem. Take a sample to an LFS who uses a different
kit and see what they say. I have to say that the dip strips that I've
used haven't been at all impressive. I still use the AP test as i like
the ease of testing. I just know to expect these reading.

Hope this helps
Mellie


Thanks. I definitely will take a sample to the LFS. The dip stick
tests I bought mainly because I wanted GH and KH readings (which the AP
master kit lacks). But I find the colors far more difficult to
interpret than the AP liquid tests. I know I have very hard water (lake
Michigan water) and good buffering. pH stays around 7.5/6

Gee, maybe I should be keeping smelts or lake trout

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