Today we checked our PH at the beginning of class. We found it to be at 6.0. from there we stirred our solution and added one more gallon of nutrient solution. At this point we again checked the PH and discovered that it went up to 8.0. We then added PH Down to bring the PH back down to 6.0. We have excellent growth on 9 out of our 10 pods. Their heights ranged from 1″ to 1 3/4″. The smallest pod we have has a growth of about 1/4″; this pod we believe got a late start and will now grow quickly.