Barley Straw is a great100% natural inhibitor of algal growth.

Not recommended for ponds that have big algal blooms or lots of blanket weed.

This 1kg bulk bag will treat a water surface area of approx 20 square metres.

Takes 6 weeks to become active and lasts for up to 6 months.

Environmentally friendly.

Fish and animal friendly.

Weight 2 kg


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