How can this be possible? Zero-water-change-store with discus

I watched Cory's video some time ago I viewed it as entertainment rather than advice on how to maintain aquariums. Some of the famous aquascapers, George Farmer, does very frequent water changes on his heavily planted tanks with tiny bio-loads.

Quote:

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Originally Posted by peewee1

Fake news. Zuckerberg and Facebook are guilty of data mining. It won Trump the presidential election.

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Nearly every company has been using data mining - from the pharmaceutical industry to religious organizations. Of course candidates data miner and use the results on campaign issues and policy.
Social media has become the life blood of America

Very true. Sound like everyone on social media if not a rocket scientist, they all have at least a PHD degree and full of knowledge on every single subject ;) ;)