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Bulk Reef Supply · Filter
BRS Bulk GFO Granular Ferric Oxide - High Capacity
BRS Bulk High Capacity GFO is a denser, low-dust granular ferric oxide phosphate remover that removes close to twice the phosphate per volume as standard GFO, so half as much is needed — ideal for large tanks or limited media-reactor space. Used in a media reactor or filter bag, it maintains ultra-low phosphate levels to prevent and treat algae outbreaks and support coral growth.
Price: $1,258.89 USD
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