Multi-functionalYUNSTK decorative rock stones are versatile and perfect for small DIY projects, fairy gardens, flower arrangements, terrariums, vases, succulent and cactus containers, potted plants, aquariums, and more. Potting GritThis 2lb bag of natural decorative sand rocks is pre-washed for easy use and adds a beautiful and unique touch to your plants. Horticultural SandThese rocks are great for adding to potted plants to provide stability and lock in moisture and nutrients for better plant growth. In addition to being used as a top dressing for soil, these gravel rocks also provide excellent drainage. Fish Tank GravelNot only does this gravel enhance the beauty of your aquarium, but it also creates a natural environment for your fish, and can be used to alleviate fish itching. The gravel helps to stabilize fish waste and debris, preventing it from being stirred up by fish swimming around. Decorative SandThis high-quality product features 100 natural size, texture, and color that won't change the color of the water. These sands are perfect for adding a touch of natural beauty to floral arrangements, fish tanks, aquariums, and terrariums.