I didn't mean to insinuate that the feed was causing this. Rather if you have a weak chick to get the best food possible. It's my opinion that Purina foods aren't that great... especially not at 18% protein for a sick chick.
I'd also strongly advise against the tea; the caffeine might "perk"...
I really like Blue Seal over Purina foods as well - If you have something else closer I'd switch from Purina. I had great luck (100% survival) on the 22% crumbles from Blue Seal. I also supplemented with a lot of meal worms, crickets and scrambled eggs. I'm one that thinks nutrition has a lot to...
Can you up the protein to 22% or higher for food, mix with water, feed very liberally? I'd switch the Caro corn syrup to plain sugar, mix 1 tbsp to 1 pint of water.
I would not cull, but that is just me. I had a very weak runty chick in my batch that I had to hold and hand feed for about the...