Aquaponds | Bead filters are closed (pressure) vessels filled with thousands of plastic beads. These beads are very close together and form a layer through which the water is forced by a
AST Bubble Bead Filter XS1000, The Original Bead Filter, Pond Filtration Solution, Perfect for Koi Ponds Up to 1000 Gallons, Pond Media Included, Media Lasts Forever : Pet Supplies - Amazon.com
Amazon.com : AST Bubble Bead Filter XS1000, The Original Bead Filter, Pond Filtration Solution, Perfect for Koi Ponds Up to 1000 Gallons, Pond Media Included, Media Lasts Forever : Pet Supplies
Bubble Bead Operation and Backwash - AST Bead Filters
BubbleBead Guide 1.5
AST Bubble-Washed BBF-XS6000 Bead Filter - up to 30 gpm - Underwater Warehouse
AST Bubble-Washed BBF-XS6000 Bead Filter - up to 30 gpm - Underwater Warehouse
BubbleBead User's Guide 3.1
AST Bubble-Washed BBF-XS6000 Bead Filter - up to 30 gpm - Underwater Warehouse
Amazon.com : AST Bubble Bead Filter XS2000, The Original Bead Filter, Pond Filtration Solution, Perfect for Koi Ponds Up to 2000 Gallons, Pond Media Included, Media Lasts Forever : Pet Supplies