Check the listing for details. MLCBSE250 Concentrated Barley Straw Extract Conditioner for Ponds. Color: Black, Condition: New, Made in United States. Listed at 14.71 USD. CREATE A HEALTHIER POND: Microbe-Lift Concentrated Barley Straw Extract is specially formulated to naturally balance pond water; It is a cost efficient, environmentally responsible, natural organic approach to a healthy pond environmentCONVENIENT AND FAST ACTING: Microbe-Lift Concentrated Barley Straw Extract features tip and pour containers for convenient measuring; Goes to work on contact to release decomposition by-products immediatelyCONCENTRATED FORMULA: One capful treatment has a stronger impact than a barley straw bale when it comes to keeping your water clear; There is no residue to mess up a waterfall feature and is especially helpful where bottom drains are presentWHEN TO USE: Can be used all year round; See usage chart for application guidance for large and small ponds; Not harmful to aquatic life, plants, lily pads, humans, livestock, ducks, pets, filters, decor, or accessoriesPART OF MICROBE-LIFT'S POND CARE SYSTEM: Use Concentrated Barley Straw Extract with other great products for your pond: PL Pond Bacteria and Outdoor Water Garden Cleaner, Sludge-Away Sludge and Muck Remover, Algaway 5.4 Algae Remover, and more MICROBE-LIFT Concentrated Barley Straw Extract Conditioner for Ponds and Outdoor Water Garden, Safe for Live Koi Fish, Plants, and Decorations