I have 4 seedlings growing in Grodan. All 5-10 days old. Under 4 26w 6500k and 1 65w 2700k cfl. To Much? Been watering with a pH of 6.1. The package the Grodan came in said to pH to 5.5. Plan on transplanting to soil after alil more growth. Should I lower the pH? Run off is the same 6.1. All have leafs curling under. 3 have yellowing. 1 has brown spots forming. temps stay around 76f. RH around 55%. Any help needed! I attached 4 pictures hope it worked. First post too.