Kent Marine Nitrogen Sponge 3.3 lb. Pond Filtration 5 - 4 mm) is

5 - 4 mm) is packed with 6 highly effective color-enhancing ingredients

and aquatic turtle tanks

Size : 41 L (2500 cubic inches)

such as carbon

the Marina 10G LED Aquarium Kits comes equipped with everything needed to make the novice fish hobbyist's first venture into the wonderful world of fish-keeping an easy and enjoyable experience

Kent Marine Nitrogen Sponge 3.3 lb. Pond Filtration 5 - 4 mm) isNitrogen Sponge Ammonia & Nitrate Adsorber KENT MARINE NITROGEN SPONGE is a granular zeolitic medium that directly adsorbs ammonia in freshwater and fosters anaerobic bacteria growth to reduce nitrate levels in both marine and freshwater aquariums. Directions Use 1 cup for each 20 gallons of aquarium water. More can be used for greater effectiveness. Rinse with fresh water before use (preferably reverse osmosis or de ionized water). Place in a large