I use Barley hay, you can buy it in bundles of all sorts of shapes and sizes. It floats at first which is great for the frogs to float on. Then it settles to bottom but continues to clean algae. It is said that barley hay was used in the old days for keeping algae controlled in water cisterns and wells.
By Linda from Troy, PA
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I have used barley hay and there are some liquid products you can order but I have also just not treated it and after a few weeks, it takes care of itsself.
Can you use any other kind of hay besides barley? I have brome hay. Also have catfish and bullfrog in pond. It's about a half acre pond. Any help would be useful. Thank you.
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