its 6 week old and i think too small some of them , I do not use nutrients becouse I'm afraid, once I put and they show yelow leaves. I think they stop growing , please give me some advice ???
They look very healthy. What kind of nutrients do you have? Its always better to use less ferts then they say to use especially if your a beginner grower. I would say give a half dose of whatever fert. you are using and see how they respond. And if they respond well give them half doses every 2-3 waterings unless you see problems.
yeah, they do look plenty healthy. how big are those pots? they will really slow down if they are root bound. many times a nice transplant really kicks 'em into gear.