hi guys i have 4 2.5 week old seedlings and the leaves on them changed from a nice dark green to a pale light green when i transfered them from fluros to hps is this normal?? they are just getting there second leaf sets and im growing with ebb and flow using 5inch net pots with 1x1 rockwool cubes and clay balls. I just added a 1/4 mix of my nutrient 2 days ago which is grow 12.2/2.3/10.8.