hello i new to the forum and fish keeping, been having problems with my ammonia levels being high ( 2.o) so i took a sample to my local shop and they done a test for me and results said 0.1 when i came home i done a test again and the results were high again 2.0 then i notcied that the test kit is out of date 2007. i have been using a api freshwater master test kit ,the fish in my tank seem very happy ,has anybody had any problems with these test kit. any advise would help thank you.