Hello the tips of the leaves of my clones seem to be turning dark. The pictures are from clones on their second day. I am currently foilar spraying twice daily with a solution of sensi grow flowering nutrients. I also started them off in a solution of kick start and dechlorinated water. There is one 39 watt florescent bulb over top of the clone dome. I'm wondering if I need more light or what is happening any insight would be helpful thanks.