Waste-Away Gel Marine Single Pack - Small (10-50L)

"Size: Small - 10 To 50 L Waste-Away Gel Is An Organic Waste Destroyer : 100% Natural Aquarium ""Cleaner"". The Gels Are Full Of Cleansing Bacteria That Are Automatically And Continuously Released Into Your Aquarium To Consume Nutrients And Break Down Fish Waste; Keeping Your Tank Clean And Water Clear."