• Suitable for all aquariums
• Solid polished stones
• Inert Solid stone

biOrb Marble pebbles are solid polished stones which won't cloud the water. Once in water, the colour of the pebbles deepens and shines. This set comes with black pebbles of varying natural sizes. When decorating your underwater world, use pebbles to complement your plants and sculpture and decorate the bottom of your biOrb. Maximum pebble size is 7 x 4.5 x 4 cm.

Features:

• biOrb Product - suitability for biOrb product
• Solid polished stones - Enhances the look of your biOrb
• Selection of sizes in each pack - Adds to the natural look of the product
• Inert Solid stone - Will not affect water chemistry