growing problem

This is my 6th indoor growing season. Have been using 1/3 foxfarm, 1/3 coco, 1/3 perlite for the soil. My seeds were started by soaking in ph balanced Hydrozime in RO water (5ml/quart) until the seeds pop exposing the start of a tap root. Then the seeds are planted in the soil 1/4" deep. This...