Dinoflagellates behave just like algae and absorb your tanks carbon dioxide and convert it to oxygen. That’s why you see so many bubbles on and around them. If you lower your tanks Co2 and take that source away and remove the light source for a few days, one type of dinoflagellate will suffer. However, as you haven’t identified the type or types (you could have more than one) you have in your tank you will not know the best way to get rid of them.
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