- New Biofilter Rock has the rugged look of natural rock and provides the
soothing sound of a waterfall while doing its job of keeping your pond clean.
The Biofilter Rock provides the ideal environment for heterotrophy and
nitrifying bacteria.
- Interlocking, easy clean biomedia
- Double adjustable spray bars create more oxygen and enhance aerobic
bacteria growth
- Removable spray bars and caps for easy cleaning
- Settling chamber for filtering out particles
- Flush valve for easy debris removal
- Long lasting
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