what is an ideal result or an acceptible level in a tank for healthy fish should this alway be zero my lfs said my danios would survive the cycle and the mrs been unpationed and demanding av had to do kind of a fish cycle my nitrite is zero and nitrate is zero ph is around 7.5 av read in a community tank this should be around seven but higher ph is supposedly to eccellerate the cycle is this true ? amonia test 2.0 is this high should i do a partioal warter change cheers guys