Our new 10 gallon which had been fully cycled, or so we thought has an ammonia level (using the test strips) that indicates border line stress as it's indicated. Nitrite and nitrate indicate safe? On the Nitrite and nitrate test bottle it says to replace some water if these levels are high but the ammonia test kit says nothing about what to do when ammonia borders on the stress level indication? This is a cold water tank with 4 White clouds in it only so far. Could cleaning the bottom of the gravel of any laying un eaten food help?