The Pond Pill Barley Biosphere Ball by Care Free Enzymes
Beneficial natural bacteria barley extract and barley straw all in one.
Lasts for months.
Barley - Three barley's, pellet, straw and concentrated barley all in one.
The biosphere works rapidly producing a concentrated blend of barley bacteria for a full month.
Pellet barley for slow release, straw barley for continued bacteria growth and concentrated for immediate results.
Application: Treats 350 - 2,500 gallons