Earliest known references
NameEarliest widely accepted reference
IsraelMerneptah Stele (Egypt), about 1208 BCE
Palestine (from Greek Palaistinē)Greek sources, notably Herodotus, about 5th century BCE
Syria Palaestina (official Roman province)135 CE
So the earliest known reference to...
"Visible colonization typically takes 1 to 4 weeks"
I mean do I really have to spell it out, this is not about your or my pool, lol.
I don't know why I even bothered, imagine arguing with people who get their panties in a twist about a body of water that has algae in it :ROFL:
Just in case...
If you'vee ever had algea in your pool, pond or aquarium you would know "Visible colonization typically takes 1 to 4 weeks"
whereas algea blooms would leave the water cloudy.