You are a Luck Guy, for choosing resiliant Genetics, as for start to feed so early so much would have killed alot of seeds. Normally your soil keeps food for minimum 3-4 weeks. And there is no need to feed aplant before the 4th node. And if you really want to feed from that point on start with 25 percent of the recommend amount. As it seems your plant was not Hurt ( but icant see a lot in led light.. my advice for you... go on slowly.. give her abreak for 10 days with only Phed water. After that take half amount of Biogrow. Then if she responds well you can add some biogrow happy growing