I'd have to disagree. I tested one out when cycling a tank and it never changed from yellow (safe color) even when I was at .50 ppm ammonia by my API test kit.
Most likely the other test kit was testing for total ammonia. Total ammonia includes both free (NH3) and ionic (NH4+) ammonia. The Ammonia Alert™only measure free ammonia because that is the harmful form. Ionic ammonia cannot harm your fish. However, as pH rises, a greater and greater percentage of the total ammonia will be converted from ionic ammonia to free ammonia, so knowledge of total ammonia is also important.
This isn't for Bettas but if my Oscar passes away it will be It's a 55 gallon currently being renovated "christmas gift" for my Oscar you could say. I've worked hard on emptying the tank, removing the gravel, cleaning the sand, filling the tank and doing water changes to clear it up.
It looks blue in the pic, but its just a little cloudy.
^ without flash ^
^ with flash ^
I will post pics of my future 30gallon Betta home soon I hope.
Love the background ;)) Your betta is so lucky!!! I bet he is gonna be blowing up a billion *huge* bubble nest :))
Well like I said if my Oscar does, which he seems pretty happy I think he knows what I am up to But I will have the same background on the 30 gallon, if you would like I can give you a link for the exact background, just pm if ya do Can't wait to get me a Betta, I will check the LFS while I'm there tomorrow and see what they have, Never hurts to get a Betta in a cup a good home.