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20 Algae Introduction




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This article is from the Aquaria: Disease, Algae and Snails FAQ, by Elaine Thompson, Thomas Sasala and George Booth

20 Algae Introduction

There are two categories of algae of concern to aquarists: "good" and
"bad". Good algae is present in small quantities, is indicative of
good water quality and is easily kept in check by algae eating fish or
simple removal during routine maintenance. This algae is a natural
consequence of having a container of water with nutrients and a light
source.

Bad algae is either an indicator of bad water quality or is a type of
algae that tends to overtake the tank and ruin the aesthetics the
aquarist is trying to achieve. The label of "bad" is entirely
subjective. For example, one type of green, hair-like algae is
considered a plague by some American aquarists, yet is cultivated by
European aquarists as a valuable addition to most tanks, serving as a
dietary supplement for the fish.

 

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