BioSphere Bio Pellets

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Nitrates & Phosphate Reducing Media

Round - 100% Natural Polyhydroxyalkanoates (PHA) pellets.
Available in 500ml & 1000ml bags as well as 1/2 & 1 gallon bulk containers!

  • 100% Natural Polyhydroxyalkanoates (PHA)
  • Round Shape
  • Reduces Nitrates & Phosphates
  • No Harmful Chemical Additives or Binders
  • Self Regulating Media
  • Helps Establish Low Nutrient Systems
  • Increases Protein Skimmer Efficiency

Naturally Reduce Nitrates and Phosphates from the Aquarium

Bio-Spheres biopellet media is a 100% pure biologically degradable polymer solid carbon source that helps reduce nitrates and phosphates within a marine environment by encouraging the growth of beneficial bacteria and enzymes on the media’s surface. Bio-Spheres provides a food source required for beneficial bacteria to reproduce and metabolize nitrates and phosphates.

Available in 500ml and 1000ml bags as well as 1/2 and 1 gallon bulk containers!

Directions for use:

It's recommended to use this media in a Bio Pellets Reactor that designed for Bio Pellet media. We sugggest looking at our extensive line of Reef Octopus Bio-Pellets Reactors. Ultimately you want to make sure that there have enough water flow throw the reactor to supply needed oxygen to prevent hydrogen sulfate (H2S) from being produced which can be harmful to your aquarium.

Use approximately 100 – 150ml of Bio-Spheres per 25 gallons of system volume or what is suggested for your reactor of choice. {When introducing any biopellet media for the first time, add small amounts gradually over the period of a couple months to prevent sudden crashes of Nitrate and phosphate levels and eliminates the risk of a bacterial bloom within the system} Rinse the Bio-Spheres with purified fresh water and place in a properly sized fluidized media reactor with sufficient flow to keep them gently simmering. It is suggested to allow the media to soak overnight especially when installing the system for the first time. If the media begins to clump or slime up, they will be less effective and may turn anaerobic causing the production of hydrogen sulfide.

The Reef Octopus BioPellet Reactor and Biochurns are the most effective reactors for the bio-pellet media. If possible it is best to place the reactor in the same chamber as the protein skimmer or direct the output of the reactor into the same area as the protein skimmer. Within 3-4 weeks the Bio-Spheres will be sufficiently colonized with bacteria and will begin to reduce the organic compounds within your system. Aquariums with high bio-loads may experience a short period of temporary water cloudiness.


Bio-Spheres will remain effective until they disappear, which normally take approximately 8 months to a year. We recommend that you top off with fresh Bio-Spheres every 3 months to maintain maximum effectiveness.

Due to the number of factors that influence an aquariums Nitrate and Phosphate levels it is best to monitor your Nitrate & Phosphate levels using accurate test kits.

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