April 21st 2010: Day 154

Temperature (F Degrees): 48.7
PH Test: 7.0
Nitrate (NO3) ppm (mg/l): 0
Nitrite (NO2) ppm (mg/l): 0.25
Ammonia ppm (mg/l): 0
Stress Zyme: 10ml
Water Change: 4 gallon - 5 gallon
Number of Fish Removed:0
Changed 4 gallons of water then added 5 gallons, Checked water quality, things are looking pretty good, cleaned filters. Some of the younger fish are starting to get black specks where scales used to be as they begin to smolt.