Filter Media

8/16 Sand (under grade)
16/30 Sand (top grade)

GFR Glass Media 1-3mm
GRF Glass Media 3-6mm
GFR Glass Media 8/16 (under grade)
GRF Glass Media 16/30 (top grade)

20mm Gravel (base grade)
10mm Gravel (middle grade)
6mm Gravel (top grade)

Filtracarb FY5

Type N

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