Text us a pool question! Andrea and Paulette go long on algae—the real science, the field diagnostics, and the no-nonsense remediation that actually works on a Tuesday in August when the phone won’t stop ringing. Pulling from training content and field notes, they break down how to tell algae from look-alikes (metals, pollen, fine dust), why water balance and sanitizer demand dictate outcomes, and how to choose the right kill-sequence for mustard/yellow, black (cyanobacteria biofilm), green b...