light trouble

hey everyone this is my first post im growing 4 plants under 3 12 watt cfl's that are about 3 inches above them im using merical grow moisture control soil and they are all about 3 to 4 inches tall with there third set of leafs halfway grown and i was wandering if i am doing good?

also i am realy thinking about using the pinching method and i was wandering when would be the perfect time to start doing it
 
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