Anjon Manufacturing 1.5" Bio-Balls Biological Filter Media Size:200 Count This tubing is specifically designed

This tubing is specifically designed to be buried in the ground so that you can locate professional air pumps away from the body of water to which they will be providing air

making it perfect for spring opening

Horizontal maintenance clearance — filter depth plus cartridge length

API® Pond Ammo Lock® feeds beneficial bacteria in your biological pond filter

100% natural and safe for all fish

Anjon Manufacturing 1.5" Bio-Balls Biological Filter Media Size:200 Count This tubing is specifically designedAnjon 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,