Seachem Onyx Gravel 15.4lb Circulation Pump If you are having them

If you are having them shipped you will receive one extra in case of a DOA

Does not contain phosphate or nitrate making it ideal for use with Flourish Nitrogen and Flourish Phosphorus

✅ Easy-to-follow setup videos (scan the QR code or visit TidelineGo

Over dosing will not speed impact

Note: Consult a veterinarian or fish expert for assistance in diagnosis of disease causing organisms and treatment options

Seachem Onyx Gravel 15.4lb Circulation Pump If you are having themFeatures 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