Filtration & Protein Skimmers
Two Little Fishies PhosBan Review: GFO With a Different Pedigree
An overview of Two Little Fishies PhosBan, a granular ferric oxide (GFO) phosphate remover.
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PhosBan from Two Little Fishies is a long-established granular ferric oxide (GFO) phosphate remover and a direct alternative to BRS-branded GFO.
Before use
Like other GFO, rinse it before use to wash out fine dust.