That light is 25 watts, so even 2 of them will not be enough for anything that fruits or flowers (like your peppers). It would be fine for leafy greens.

Since that fertilizer is 1 part, that often means you will need to add a cal-mag supplement.

And finally, you may want some way to trap humidity for your seedlings like this:

https://www.amazon.com/Jiffy-Windowsill-Greenhouse-Plant-Starter/dp/B000BX4QW4/ref=sr_1_4?crid=2ZS5NP1DE7O9X&keywords=jiffy+starter+kit&qid=1554073250&s=lawn-garden&sprefix=jiffy+start%2Clawngarden%2C144&sr=1-4