Hatching Jar Size:Jar Hanger This growing media is designed

This growing media is designed to drain off excess water from the base of the seed

The unique twist lock lid is wind and varmint proof on these high quality

The disc diffuser has an integral “triple” check valve to prevent fluid back flow

This media creates uniform liquid distribution throughout the column sections

but others are available

Hatching Jar Size:Jar Hanger This growing media is designedThis McDonald type hatching jar has become the industry standard. It is a high impact, all plastic egg hatching system. Simply direct about 1 gpm of water (depending on the weight of the eggs) into the center. The eggs will be uniformly rotated. The fish hatching jar comes with a top screen that prevents the loss of eggs. When the fish hatch, remove the screen to let the fish swim out. Use it for trout, salmon, hybrid striped bass, catfish, tilapia