Add a splash of color to your betta aquarium with Marina Betta Decorative Gravel. The expoxy-coated gravel has smooth rounded edges to protect delicate Betta fins. The gravel is inert, preventing it from having any adverse effects on water chemistry. For freshwater aquariums. Tri-Color Blue Gravel. Size: 4-5mm.
Key Features :

Decorative feature for Betta aquariums
Smooth, rounded edges to protect delicate fins
Pre-rinsed & Dust-free
Epoxy-coated, will not adversely affect water chemistry
Stone type: Tri-Color Blue
Size: 4-5 mm
Net Weight: 500 g (1.1 lb),