Ammonium persulfate and or sodium benzoate would be more permanent and would keep killing algae for months or years in combination with UV light from the sun. But that’s just from experience. H2O2 basically will become H20 as soon as the oxygen disassociates and evaporates as gas.
Ammonium persulfate and or sodium benzoate would be more permanent and would keep killing algae for months or years in combination with UV light from the sun. But that’s just from experience. H2O2 basically will become H20 as soon as the oxygen disassociates and evaporates as gas.
Which might be the point. If the water goes back to the basin.