Marina Decorative Natural Gravel - Black Beach Pebble - 10 kg Decorative This simply means the males

This simply means the males and females can be identified by how they look

Enhances aquarium water quality

to a large part

The stand should be made of wood

Marina Decorative Natural Gravel - Black Beach Pebble - 10 kg Decorative This simply means the malesMarina Decorative Natural Gravel is decorative and completely natural gravel for stunning beauty in your aquarium. The gravel will not affect water chemistry or harm your fish. Excellent substrate for natural plants and provides solid ground for securing accessories such as ornaments. Key Features : Completely natural gravel for stunning beauty in your aquarium Will not affect water chemistry or harm your fish Excellent substrate for natural plants