Pool Algae: Green, Yellow, and Black – What Each Type Means and How to Kill It
Not all pool algae are the same, and treating the wrong type the wrong way wastes time and money. Green algae is the most common and easiest to kill. Yellow algae is stubborn and chlorine-resistant. Black algae is the hardest to remove and requires a completely different approach. This guide breaks down each type and gives you the specific steps to beat it.