I performed the "One - Two Punch" on my tank last week. I had an abundance of BBA and other types of algae that were wreaking havoc in my tank, hence the need for treatment.
I'm happy to report that it worked for me. The BBA and other Algae are dead and I didn't lose any fish during the treatment.
225 Gal, Glass "Reef Ready" w/ twin Iwaki Pumps & 2 Ocean Clear inline filters. Custom 420 watt LED Lighting system utilizing 90 Cree leds, 3 -50watt BridgeLux arrays, "Typhon" LED Controller, and a 20lb CO2 system w/ Milwaukee Ph Controller.