new clones from hydro to soil leaves turning yellow why

treehappy

Member
about a week ago i transplanted new clones from hydro to soil in 2 gallon containers the soil was flushed slightly before planting. they are under a 600w light in a well ventilated room i have only used tapwater to water them and the soil is perfect for moisture why are the leaves turning yellow is it because the switch from hydro to soil grown plenty of times froms seed and never had this problem.
 
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