What Flowering Plants Clear Pond Water?

[peterwatsham]

What flowering plants clear pond water or make good water?

[rowanwitch]

Waterlilies and water hyacinth and for a small pond water fringe ( like a floating buttercup) help by blocking light and reducing algae formation. most of the plants that clear water are in the reed and rush family or floating types but they won't normally flower in the uk.

[Milvus]

Wraps of barley straw used properly are helpful in keeping algal bloom at bay and freshening pond water. An article about its use here: https://pondinformer.com/how-to-use-pond-barley-straw/