I got floaters

[Portreath]

I brewed a Guinness clone and my own recipe stout back in December. Of the brews that went into bottles every one appears to have small phlegm like floaters in the neck, which raise to the head once poured. The taste is fine, but I'm not happy with these greasy looking floaters in my beer. Strangely, each of the afflicted brew were primed with Wilko carb drops. Now I don't normally use these, but for some bizarre reason an order I placed with Wilko a while back resulted in them offloading 2 packs of carb drops. As an experiment I've put a TC on and corbed a couple in clear bottles and added said carb drops. As anyone else had a similar experience with these?