My aquariums have some kind of green algae growing on the walls. This stuff is hard as a rock and i have to use a metal blade scraper to get it off. Anyone know what this stuff is and how to get rid? Water stats ok lighted 12 hrs.Thanks for reading.
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reduce your lighting to 8 hours a day. green algae means your tank is biological ok. Scrapping the algae usually makes it come back ten fold. pastey White gunk is calcium build up -
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