Not only will it kill all pathogens and algae spores at a dilution of 1 part H202 to 150 parts water, but used in stronger concentrations of 1 part H202 to 10 parts water it is ideal for cleaning algae from glassware and ceramic diffusers. ...
How long does it take for hydrogen peroxide to kill algae?
Concentrations of around 60ml of 3% H2O2 (30ml of 6%, 15ml of 9%) in a 250 Litres (66US G.) tank directly applied (usually via a syringe) slowly over 5 minutes onto a clump of algae will kill it and then rapidly be diluted and converted into harmless oxygen and water.
Will hydrogen peroxide kill green algae?
A mixture of 35 percent hydrogen peroxide can be acquired from any pond supply store. It will kill most algae infestations when poured into a pond. Remember to monitor the pond, as a sudden die off of algae will cause the oxygen levels in the water to decrease significantly.
