this is my seedling after about 1 week since sprout. i am using gh nutrients at 1/4 strength with some epsom salt. the florscent is a 4 foot 4 tube light at about 9 inches from the top of plant. the temp is at 73 with humidity of 53. ppm is 485 with ph at 6.1. i water 3 times daily for 15 with...