EB Stone Seed Starter is a peatlite mix. I don't think it has much in the way of added nutrients. A lot of time starter mixes don't get a fertilizer charge since seeds usually contain enough nutrients to germinate on their own. A lot of soil blenders keep the seed mixes lean. I have tested the EB mix and its a lot like the Sunshine Mix #1. If I were you I would give the plants a real dilute feeding of a nutrient solution just to nudge them along and support the early growth. Better to feed with some weak solutions a few times than it is to burn 'em with something too strong. Once they are rooted pretty good, then pot them into your normal potting mix with your normal nutrient mix and all should be well.

PS--Be careful not to overwater, but don't let the mix dry out either! Lift up the pot. You can feel the weight when it has water in it, even with a small pot. As it drys it will get lighter. Just remember real young seedlings don't have all the roots in the mix yet. So don't keep it too dry.