Seachem Onyx Gravel 7kg Global recommendation we would suggest soaking the

we would suggest soaking the wood in a bucket for a time

Use at start-up and whenever adding or replacing water

To maintain a healthy aquarium with conditions close to nature regular checks and adaptions of the water values are important

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This kit uses a highly sensitive catalytic compleximetric based procedure to measure all types of copper to less than 0

Seachem Onyx Gravel 7kg Global recommendation we would suggest soaking theOnyx 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. Set up Although it is pre washed, because Onyx is a natural