Strange Life of Algae

You're doing everything right. Testing weekly. Running a protein skimmer. Keeping parameters stable. So why is algae taking over your tank?

Here's the truth most aquarists never learn: Algae isn't the problem. It's the signal.

Every bloom—green hair algae, bryopsis, cyano, diatoms—is your tank speaking in biology. It's telling you exactly what's out of balance. The question is: Do you know how to listen?