About Bead Filters
Bead Filters were originally invented to overcome some of the major problems with using sand filters in high density recirculating aquaculture systems with stocking densities approaching one pound of fish per gallon of water. Compared to sand filters, bead filters are immune to biofouling, never require replacement of the bead media, minimize water usage and reduce energy cost by lowering pump head requirements. [Read More]
Aquaculture Systems Technologies, LLC (AST) was founded by Douglas Drennan, in October 1995.