WIO - Black Venom Gravel Mix - 2kg PH Adjusters Reduces C02 Use

Reduces C02 Use

tubing and gang valve are not included)

and the maintenance of clean condition of the wall

2M DRAIN HOSE

In a convenient 9cm x 19cm size to fit in most filtration systems

WIO - Black Venom Gravel Mix - 2kg PH Adjusters Reduces C02 UseAdd drama and contrast to your aquarium or terrarium with Black Venom Gravel. These soft river stones are a dark grey when dry and pitch black when wet, creating a high impact, high contrast scape. The gravel is perfect for creating a stream biotope or for use as a complementary substrate with black stones or boulders. Available in 2kg bags. Description Black Venom Gravel is a stunning addition to any aquarium or terrarium, providing a dramatic and