you light schedule seems to be too long. Try cutting it back to 6 hrs til you get the algae under control.
You can double dose excel to get rid of hair and bba, I did that for 2-3 days in a row then single dose for 2-3 days and repeated till I got rid of it. Search for posts on excel and algae before doing it though.
What types of plants do you have and how many?
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