So I have started my first grow ...I have 3 plants started ..they are about 3 inches high and are starting to grow little leaves..my question is when should I start them on the hydroponic system..and lighting ...should I transplant them when they gain a few inches into my hydro pots and water solution or should I just remain in soil and transplant them into bigger pots... I started them under some hone depot 5000k lights and am planning to stick them under a 1000 watt matalhalide light and ballast I bought ..I know I need a dam for the light ...what ta think?