I thought it did? I assumed it wasn't just for critters.
dose full tank, I got rid of it that way.Peroxide i think do kill algae if you use it as a dip. I'm not sure about the effectiveness.
Back to your chemical warfare, i suggest do tackle one thing at a time. I had similar issue a few months back. What worked for me is blackout & UV for Dino's Cyano, wait ~1week before hitting the tank with reef flux.
Get a sea hare. Best clean up crew I've ever had. Will destroy that hair algae. @under_water_ninja has a bunch of small ones at high tide.Post Dinox. Next up. Reef flux. Then possibly chemi clean. Still teen to fix Alk. Will dose 15 mL of Reef Carbonate. Kalkwasser helped the CA but not the alk or pH.
Alk 103ppm / 5.76dkh
Nitrate 0 (api)
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