Don't worry about it!
Yeah, I steep the herbs in the boiled water for 4hrs and then strain it (squeezing the liquid from the herbs too). I usually reheat it a cup at a time. It lasts me 2 days (which is why I make the quart), as in, I'll drink that days 2 cups when it's done and then two cups the next day. The brew is okay in the fridge for 24 hours.
I'm technically making an infusion, as opposed to a tea (which would be like 15m of steep time). It's supposed to be better because you get the full extraction of the beneficial ingredients of the herbs.