Penn-Plax presents the Ammonia-X Replacement Zeolite Media Cartridges. These Cartridges come in a 2 pack, and are made to fit the lift tubes of Undergravel E filters, serving as a replacement for when its time to cycle out aquarium filter…
Penn-Plax presents the Ammonia-X Replacement Zeolite Media Cartridges. These Cartridges come in a 2 pack, and are made to fit the lift tubes of Undergravel E filters, serving as a replacement for when its time to cycle out aquarium filter…
