Fluval AC20 Power Filter so ensure a stable rock

so ensure a stable rock structure to prevent collapses

L-Tryptophan

odors and discoloration

Biological filter foam – Also includes two 30 ppi biological filter foams that traps debris and offers surface area for additional beneficial bacteria

Quality materials and construction

Fluval AC20 Power Filter so ensure a stable rockThe AC Series takes power filtration to the next level. Built on a best selling platform with a 40 year reputation for exceptional quality, reliability, and convenience, this series has become a standout choice that aquarium enthusiasts know and trust. Along with its proven multi stage cleaning, CycleGuard beneficial bacteria support, and patented refiltration system, the latest clip on generation sets a new standard for cleaning performance, media