Bio Balls, 1 cubic foot Defoamer Blue is a medium density

Blue is a medium density pad used for small particulate removal

a plug for unused end is included (except 12 inch model has 1 ea

This product is the Blue Matala Filter Pad for the Medium Aquafalls

through a bulkhead and into the skimmer where a valve controls what percentage of the water goes through the skimmer faceplate (surface water) versus through the bottom drain

Bio Balls, 1 cubic foot Defoamer Blue is a medium densityThese plastic Bio Balls are a great media for use in all types of biological filters. Can be used as a loose media or put in mesh bags for easy removal and cleaning Will not compact like other soft media, reduces channelizing of water around media 1 1 2" in diameter, black in color Available in one cubic foot or 4. 5 cubic foot box Advantages of Bio Balls over Lava Rock Bio Balls are inert, so they won't leach any minerals into the water that can lead