rapid start

Spoetnik#1 Paradise seeds strain. Clone from a Canadian licenced producer. This time im growing 8 plants per 2x4 table. One plant per square foot. Flower once they hit 10 inches tall, this strain is 90% indica and get very bushy so i wont be topping . Im using...

So I'm curious. I have 4 seedlings about 2 days old and was wondering if I could add rapid start to boost root growth. They are in fox farm ocean forest soil, so the seedlings have nutrients. If rapid start is safe for seedlings, would it be overkill by adding rapid start to seedlings already...