1000 GBIO Gravity Pond Filter (228)

A gravity pond filter built for ponds between 250 and 1,000 gallons. It tackles the usual cause of green, cloudy water: waste breaking down faster than the pond can process it.

Key features

• Suits ponds from 250 to 1,000 gallons
• Three stage mechanical and biological filtration
• Biological media supports the bacteria that break down fish waste
• Green housing blends into planting and pond edges
• Gravity fed, so it returns water without a second pump

Mechanical stages trap solids while the biological stage converts ammonia and nitrite into far less harmful nitrate. Give a new filter a few weeks to mature before expecting fully clear water.