Nitrification:

Minimum recommended amount for eliminating ammonia and nitrite in an active filter for a typical bio-load. HIGH FLOW LOCATION. Some Nitrate control will occur.

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Tank Size              Spheres, GEMS  or Plates               Blocks

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50 Gallons              1 GEMS, <2qt or 1 Plate                 1 Block

100 Gallons                     2qt or 1 Plate                          1 Block

250 Gallons                     2qt or 2 Plates                         1 Block

      500 Gallons                 1gal or 3 to 4 Plates                1 to 2 Blocks

2500 Gallons                  5gal or 12 Plates                      5 Blocks

 

Denitrification:

Recommended amount to minimize nitrates in a passive filter with a typical bio-load.

LOW FLOW LOCATION

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             Tank Size                Blocks in passive location

 

50 Gallons                             1 block

100 Gallons                            1 block

   250 Gallons                        2 - 3 blocks

500 Gallons                           5 blocks

2500 Gallons                          20 blocks

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MarinePure BioMedia's thick blocks are designed to be used in passive systems to control Nitrates (like live rock). If used in active systems they will eliminate ammonia and nitrites (nitrification), while helping to control some nitrates.