Aqueon Plant and Shrimp Aquarium Substrate 5 lb Travel Gear The 99% dust free bedding not The 99% dust free bedding not only provides a healthier respiratory environment for your pets but also makes cleanup easier for you Its unique blend increases the rate of organic breakdown and improves filter efficiency in decorative fish and koi ponds REDUCES CLEANING FREQUENCY: PL seeds and maintains biological filters that break down dead algae Aqueon Plant and Shrimp Aquarium substrate delivers clay based spherical granules that hold their shape beautifully This thoughtful design creates perfect spaces for new and mature roots to spread freely