Coarse Gravel Volcano is 100% safe, dark natural gravel with accents of gray, green, brown, and red, which guarantees a unique visual experience comparable to the natural landscapes of volcanic regions. The size of the individual gravel grains varies between 2 and 8 mm, and their smooth, rounded edges ensure the safety of fish living in the bottom zone. The gravel is also ideal for holding back plants that are not yet rooted. It is advisable to wash the gravel before use.

Granulation:

• 2kg: 4-8mm
• 10kg: 2-5mm
• Available in 2kg and 10kg bags.