A lesson in aquarium microbiology

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=djtXrjVHr7E

120 days after using Anoxic Filter • By: Kha Nguyen • His beautiful Discus aquarium • https://na01.safelinks.protection.out... • Hi Dr.Novak, • Happy New Year. I just uploaded 2 clips on youtube because it was too heavy to send. • my tank after 102 days: • 102 days after using anoxic filtration • i move the plant to another tank, i check the root: • check the roots • My discus is freeze when i take the plant :))

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