Our most popular line of aquarium chemical filtration media
Improve aquarium water quality and clarity with Marineland Diamond Filter Media. These chemical filter medias enhance aquarium filtration to maintain proper water quality for healthy tropical fish.
Black Diamond Activated Carbon
This activated carbon works faster, better, and longer than the rest to eliminate foul odors, unsightly discoloration, and harmful organic substances. Heat-activated bituminous coal-based granules are specially sized for optimal performance. Contains less than 2% moisture. Use with a
media bag in any aquarium filter. For fresh and saltwater aquariums.
White Diamond Ammonia Neutralizer
Removes ammonia to keep fish safe and water sparkling clear. Reduces stress and mortality rate as it protects against ammonia spikes and further toxic buildup. Removes up to 4 times the ammonia of traditional ammonia removers. Use with a
media bag in any aquarium filter. For freshwater aquariums only.
Diamond Blend
Premium Black Diamond blended with White Diamond makes a perfect combination to rid your aquarium water of dissolved organic wastes and ammonia. Use with a
media bag in any aquarium filter. For freshwater aquariums only.
Always rinse filter media before use to remove excess dust. Black Diamond crackles and gets warm as it is being rinsed. This is normal, letting you know it's ready to go to work.
Please click on "More Information" for directions.
Black Diamond Activated Carbon Directions:
Place in media bag or media basket and rinse thoroughly in cold water to eliminate dust.
Replace immediately when effectiveness diminishes, usually indicated by smells or discoloration of aquarium water. Otherwise, replace every 4-6 weeks.
Note: Carbon loses effectiveness over time. Replacement frequency depends on fish population, waste loads, and water conditions.
White Diamond Ammonia Neutralizer Directions:
Use 4 tbsp per 10 gallons of aquarium water.
Place in media bag or media basket and rinse thoroughly in cold water to eliminate dust particles.
Replace every 2-3 weeks (sooner if foul smells or water discoloration occur).
Note: Replacement frequency depends on fish population, waste loads, and water hardness.
Diamond Blend Directions:
Use 8 tbsp per 10 gallons of aquarium water.
Place in media bag or media basket and rinse thoroughly in cold water to eliminate dust particles.
Replace every 2-3 weeks (sooner if foul smells or water discoloration occur).
Note: Replacement frequency depends on fish population, waste loads, and water hardness.
Mechanical filtration can greatly improve the health of most aquariums, and is also important for the efficiency of your biological filtration. The process is simple: mechanical media strains solid debris.
Biological filtration is the action of bacteria breaking down dangerous ammonia, converting it to nitrite, and then converting nitrite to less toxic nitrate. This article discusses how the process works.
While most aquarists agree biological filtration is imperative for your aquarium's health, not all agree that mechanical and chemical filtration is absolutely necessary.
Aquarium filter media are usually grouped into three basic categories: mechanical, chemical, and biological filtration. Hybrid filter media are becoming more common as aquarium hobbyists expect more from their equipment and filter media.
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 "Marineland Diamond Chemical Filtration Media")
Improve aquarium water quality and clarity with Marineland Diamond Filter Media. These chemical filter medias enhance aquarium filtration to maintain proper water quality for healthy tropical fish.
