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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
except for the pump’s impeller
allowing the biofilter to more efficiently remove them
TBHQ (Preservative)
Contains up to 46% crude protein from multiple quality sources
Seachem Onyx Gravel 15.4lb Connected except for the pump’s impellerFeatures Premium natural substrate for the aquarium Ideal for Tanganyikan Cichlids Rich in carbonates Overview Onyx is a specially fracted natural substrate for the aquarium. Onyx is suitable for any marine or freshwater environments and is ideally suited for Cichlid environments. Onyx is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels or sands such as Onyx Sand. Onyx is not chemically coated or
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