Gravel (Media) Filters

• Used for filtering moss and algae format ions in the water.
• Used for waters acquired from lakes, channels and rivers.
• The most important fact is Basalt and quartz sand in Sand (Moss) filter.

For Sand (Gravel) Filters;

• For 18” Sand (Moss) Filters: 3 bags (2 – 4) basalt sand.
• For 24” Sand (Moss) Filters: 5 bags (2 – 4) basalt sand .
• For 36” Sand (Moss) Filters: 10 bags (2 – 4) basalt sand.