Characteristics of Pure Water Pebbles Premium Fresh Water Substrates:
Natural Gravel. 100% Acrylic Coating. Will not alter the chemistry of your aquarium water. Non-toxic. Colorfast.
Recommended Uses:
Fresh & Saltwater Aquariums. Ponds. Terrariums. Gardens. Potted Plants. Vases. Ash Trays. Crafts & Hobbies. Architectural Surfaces & Landscaping Designs.

Grain size: 3.1 - 6.3mm