Seachem Onyx Sand Size:7kg fill slowly to avoid disturbing

fill slowly to avoid disturbing Flourite® Dark substrate bed

submersible heater that creates ideal water conditions for Bettas to thrive in

Tabs will not alter pH

please note that each bag (7 kg

Seachem Onyx Sand Size:7kg fill slowly to avoid disturbingOnyx Sand is a naturally dark gray sand that perfectly complements and enhances the appearance of any aquarium. It provides not only iron and other minerals but supports optimal KH levels for freshwater planted aquariums. Being carbonate rich, Onyx Sand provides an advantage to any plants able to utilize bicarbonates. Although ideally suited to planted aquaria, it may be used in any aquarium environment. Premium natural sand for the planted aquarium