OF® 3DM Bacto-Rock is a filtration medium shaped to resemble a natural rock, allowing you to create a beautiful natural environment for your fishes while keeping your water clean! This macro-porous and tough ‘rock’ greatly boosts the beneficial bacteria population and increases the rate at which harmful toxins like Ammonia and Nitrate are broken down.
Crafted entirely using advanced manufacturing technology, it is a sterilized, pH-neutral rock that does not contain any impurities, algae or pest, making it 100% safe and 100% ready to use.