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ethoxyquin
fresh seafood
Highly palatable
If using alternately in several aquariums
Seachem Onyx Gravel 7kg CHILLER/FANS ethoxyquinOnyx 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 treated but does have a slight buffering capacity. Although it is pre washed, because Onyx is a natural product, it
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