Laguna Biological Filter Media (Lava Rock) - 3 kg (6.6 lb) - Bio Media for Ponds Aquariums Formulated with aerobic bacteria

Formulated with aerobic bacteria

Since the UL listed pump is fully submersed

Natural water movement provides essential oxygen for a healthy ecosystem

ecology testing

Add to existing ponds

Laguna Biological Filter Media (Lava Rock) - 3 kg (6.6 lb) - Bio Media for Ponds Aquariums Formulated with aerobic bacteriaBecause of its large porous surface area, Laguna Lava Rock is the ideal host for large populations of beneficial bacteria. Placed in the appropriate pond filter media chamber, the lava rock encourages the growth of friendly bacteria, which are essential for biologically filtering out harmful toxins and creating optimal conditions for clean and clear pond water. The filter media is suitable for most underwater and external pond filters.