Check the listing for details. Beneficial Pond Bacteria Plus Barley Granular Spring Maintenance. Condition: New. Listed at 35.99 USD. Heterotrophic Bacteria,Enzymes, with Pulverized Barley 5 Billion CFU/gm. For clean, clear, fresh smelling water. Use when water temperature is between 40°F - 65°F Heterotrophic Bacteria and Enzymes in a dissolvable salt powder plus pulverized barley.Made in the U.S.A.Heterotrophic beneficial pond bacteriaNatural water clarifying pulverized barleyNaturally clears waterControls water problem causing phosphateReduces murky waterReduces pond water odorPromotes clean, clear, healthy waterPromotes fish healthMetabolizes fish wasteMetabolizes water problem causing fallen tree leaves and twigsMetabolizes water problem causing sludge and muckMetabolizes water problem causing proteins, cellulose, carbohydrates, and ligninNo unpleasant odorAll natural, no chemicalsNo artificial fillers or preservativesDissolvable salt powderHighly concentrated formula containing billions of beneficial bacteria per gramProprietary blend of 5 bacteria strains that produce multiple enzymesContains: Bacillus subtilis, Bacillus licheniformis, Bacillus amyloliquefaciens, Bacillus megaterium, and Bacillus pumilus bacteriaThe bacteria produce: Protease, Amylase, Ligninase, Lipase, Esterase, Cellulase, Xylanase, and Urease enzymes2 year shelf life HydroClear™ Spring Maintenance™ is recommended for use during the spring season – typically from March through June. The bacteria, and the enzymes they produce go to work breaking down pollen, dust, grass clippings, leaves, and other wind blown debris commonly associated with the spring season.The all natural pulverized barley straw aids in clarifying water naturally. The pulverized barley straw contained in Spring Maintenance™ eliminates the need for barley straw, liquids, or pellets to gain the benefits of natural barley. It is a true “3-in-1” product.