Marina, Black Decorative Gravel, 1 lb.

• Ideal substrate for fresh water and marine tanks
• Silica quartz which is an inert stone
• Will not affect pH.

Marina- Black Decorative Gravel, 1 lb.

Create a colorful aquascape in your aquarium with Marina Decorative Gravel. The gravel is epoxy-coated, which makes the gravel inert and prevents any adverse effects on water chemistry. Research shows that epoxy-coated gravel provides an optimum surface for the colonization of beneficial bacteria, which in turn provide biological filtration for clear and healthy water.