Anjon Manufacturing 1.5" Bio-Balls Biological Filter Media Size:2000 count so can be applied either

so can be applied either in water or out of water

5" commercial air check valve to prevent water entering air line

000 gallons 98887 742575988870 16oz Up to 10

to provide surface area for beneficial bacterial growth

organic formula works faster and better with less mess and cost than bales

Anjon Manufacturing 1.5" Bio-Balls Biological Filter Media Size:2000 count so can be applied eitherAnjon BioBalls are small plastic balls mainly used as the biological media for beneficial bacteria colonies in the pond. These little plastic bio balls have an enormous amount of surface area for the growth of bacteria for biological filtration. There are approximately 2000 BioBalls total in a 2. 7 cubic foot box (80 BioBalls per gallon). They are really easy to use: simple place into a mesh bag and drop into the pond filter! Extremely durable,