Microbe-Lift Barley Straw Pellets Plus+ is a major scientific breakthrough. Contains 100% natural & organic ingredients. Specially formulated to naturally balance pond water and improve water clarity. Enriched with peat and humic acid, this revolutionary formula works faster & better with less mess and cost and is easier to apply than bales, pillows and pads! Matures pond water chemistry. Disperses quickly by simple broadcast of pellets into the pond or packing in a porous fabric sock and suspending in pond or available chamber in skimmer or filter. Buffers pH. Releases decomposition by-products immediately. Works year round. Recommended for use with all Microbe-Lift bacterial and enzymatic pond products. Provides a slow steady release of beneficial ingredients through natural activity. Microbe-Lift Barley Straw Pellets+ is an environmentally responsible, cost-efficient pond conditioner that is a natural and organic way to a healthy pond environment! Barley straw and selected natural peats have been processed and packaged to make them easy and clean to apply.