yes better to turn off water circulation, some plants leaves will melt but will recover soon, you can also try hydrogen peroxide 3% solution very effective, check the below video. hydrogen peroxide is effective on most of the algae but use it with precautionBut I need to dose liquid carbono directly on the BBA tuft with a syringe? I have to turn off the water circulation? And the plants that are near the affected área could die due the high concentration of liquid carbon?
What's the dosage to 300 L water?you can also try hydrogen peroxide 3% solution very effective
What's the dosage to 300 L water?