Use Serenity Ceramic Rings for cleaner, clearer water in your aquarium.

Features:

• Fast acting and highly porous with massive surface area.
• Removes colours, odours and organics.
• Perfect for freshwater and planted aquariums.
• Ideal for freshwater and saltwater aquariums.
• Perfect for all canister and biological filters.
• Includes netting bag with zipper.

SIZE: 1kg