The lot numbers ended in "11" so I don't remember if that's when it's supposed to expire or when they were made, in any case, it's probably time to get new reagents. So maybe that was the problem. I don't remember having such a hard time with it in the past and seem to remember the chemicals lasting longer but then, I've never been a frequent water tester so that's not saying much.
On Ken's website, a review also said that some color charts were printed wrong.
So I'm just going to get new test kits and see if anything changes. I have to be able to read ammonia.
Another problem was that nitrate and nitrite were always reading at 0 ppm and that's not right for a cycled tank (one isn't supposed to be 0, can't remember which one) so I have a feeling the reagents just stopped working properly.
Hope new kits fix the issues. This couldn't have come at a worse time. I'm having deaths since it did substrate changes.
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