Seachem Onyx Gravel 7kg Tropical

Seachem Onyx Gravel 7kg TropicalOnyx 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

pH is the measure of acidic or alkaline conditions in water

and comes with a convenient resealable locking closure

you can be sure that nitrite levels in your aquarium are always safe for your fish

holding the iodine in contact with the infected site for extended periods of time

Fits Filters 2032

The pump sucks in the water from below and carries it through the filter cartridge to the top

Recommended potassium concentration = 375-400ppm

resistant to chemical and biological substances

Completely submersible with double insulation

5 bisphosphate

The API pH Test & Adjuster Kit not only allows you to easily and accurately test the pH level in your freshwater aquarium

ponds and paludariums