BQI1034 Features: * Barley straw * Ingredients: Concentrated Barley Straw Enriched With Peat and humid Acid. Weed Free * Treats 500 gallon pond up to 7 months and an 800 gallon pond for up to 5 nonths * Specially made for landscaper and pond * Service contractors, costs less than bales, recommended for use with all microbe-lift * Direct placement in a pond enhances substrates * And the decomposition process starts immediately * Buffers the ph, and provides a slow, steady release of natural ingredients by natural, biological activity * Provides a slow steady release of beneficial ingredients through natural activity * Works years round Includes: * Each bag includes a graduated, dry-measure cup with both oz and ml measures Dimensions: * 2.2 Pound weight: 2.5 lbs * 2.2 Pound dimensions: 11"" H x 4"" W x 6.5"" D * 4.4 Pound weight: 4.75 lbs * 4.4 Pound dimensions: 14"" H x 5"" W x 7.5"" D * 10.5 Pound weight: 11 lbs * 10.5 Pound dimensions: 16"" H x 3.75"" W x 11.5"" D * 25 Pound weight: 27 lbs * 25 Pound dimensions: 17.25"" H x 12.5"" W x 12.5"" D * 40 Pound weight: 40.5 lbs * 40 Pound dimensions: 5.75"" H x 17.5"" W x 28.25"" D