Thanks for the links and the photos.
Looks like you have gotten some great answers on another thread.
I hope you find a way to treat your flock that is most effective and efficient.
Good Luck!
Photos are always helpful!
If you can post photos of the poops that you are concerned about that would be great.
Tapeworms are most commonly treated with Praziquantel. Look for proglittids in the poop. (See video below).
Here's the link for products and dosing you can use to treat...