💧 Dive into Elegance with Every Grain! Crafted from silica and phosphate-free materials for a healthy habitat. Say goodbye to unpleasant smells with our natural odor-neutralizing properties. Create a stunning underwater landscape that promotes a natural environment. Elevate your aquatic space with premium decorative gravel. Infused with essential strontium, potassium, and magnesium for thriving aquatic life. 1 lb weight Enhances water quality Silica & Phosphate free The World Wide Imports Activ Betta Gems Substrate is a premium 1 lb decorative gravel designed for freshwater aquariums. It is silica and phosphate-free, enriched with essential nutrients, and acts as a natural odor neutralizer, enhancing both water quality and aesthetic appeal.