What is FTS?

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-Never put a Chinese Algae Eater in a Guppy tank unless you enjoy vacuuming little corpses out of the substrate.-

55 Gallon/brackish (1.009)-
1 dragon goby
5 black mollies
4 bumblebee gobies
14 ghost shrimp
2 snails of unknown species

20 Gallon/freshwater/planted-
3 zebra danios
2 snail of unknown species

10 Gallon/freshwater-
currently fishless