Quote Originally Posted by Indimaniac
Check out some of the diagnosis threads in here they are usually quite helpful.. I don't see that being a Ph issue but I've been wrong, my guess would if you soil has a stronger nutrient system yellowing and brown spots are usually an indication of too much nutrients or nutrient burn, 76-80 is a little on the warm side at that stage you should try to stay more around 72-76 for maximum photo... but the biggest thing is letting us know exactly what soil your using! If its NOT a seedling or light mix soil ur loading ur baby up on nutes and u need to get it out of that soil!
I am using Miracle Gro Organic Choice Potting Mix. There's a link to it on my first post above.