Maintain a clear and balanced aquatic environment while keeping your betta entertained with Aqueon PURE Betta Beads product. These innovative beads contain beneficial bacteria and enzymes that break down organic sludge in unfiltered aquariums for better water clarity. These soft biodegradable balls create a fun enrichment activity for bettas while also encouraging their natural foraging behavior. Watch your betta play in the beads like a fun ball pit as they dive in and out. Keeping water clean is easy with Betta Beads product. Simply add one pouch of beads per one gallon of water. Replace the beads monthly and remove uneaten food for optimal results. If Betta Beads product shrink prematurely, this is an indicator that the water hardness is not optimal for your betta. We recommend changing the water with soft (deionized or specially filtered) betta water. Aqueon Water Care products are designed by aquatic experts to help maintain the healthiest environment for your pets. It's all about the fish!Purple, 8.8 ounces