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: 9.5 - 12.7mm