Haha... well, as they say, "what ya gonna do for a Klondike bar"
You may have just happened to ingest some nasty nasty bacteria that the body had to get rid of fast or consequences would be even more brutal.
In addition to growing plants, I design and build RC planes powered by Tesla batteries. Check out my progress at www.chargedplanes.com
LOL, wow. No, absolutely not, algae didn't cause your "accident." 99% of 24 hr gut issues are some type of food poisoning. It was probably something you ate even before the ice cream. No worries on the fecal transplant, (also, a big lol at mentioning that) that's a rare one and really only works for hard to rid infections like C. diff.
Everything has a reason, whether big or small. Never underestimate the power of what is or is not.
There is far more to everything than meets the eye.
that's how koalas do it anyhow. babies dont have microfauna to process eucalyptus leaves along with secondary compounds that the leaves store in them. milk isnt the only thing momma koalas provide for their young.