RO and RO/DI filters help in the removal of impurities from tap water such as chlorine, chloramines, pesticides, phosphates, heavy metals and many others. These impurities contribute to the growth of nuisance algae, while others can cause even larger problems. This video is the first in a series of short clips where we'll explain how these special filters work and how you can set one up for yourself. To learn more about the aquarium hobby, subscribe to our YouTube channel!

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