Gravel aids in propagation of beneficial bacteria. Adds depth and beauty to aquariums, water gardens, ponds and terrariums. Made of non-toxic fish safe materials and colors. Safe for use in freshwater and marine environments. Made of non-toxic fish safe materials and colors Safe for use in freshwater and marine environments For optimum results, use 2 lbs. of gravel per every one gallon of water

• Blue Jean Aquatic Substrate from Imagitarium
• Helps simulate a positive natural environment
• Promotes the growth of healthy bacteria which breaks down waste
• Reduces the amount of unhealthy debris in the water