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Dyes

... Commercial blue dyes are available Natural tannin s can be concentrated but black or brown may be aesthetically ...

Photosynthesis

... water, such as naturally-occurring tea- color ed tannin s, can prevent sunlight from penetrating down into the water ...

Reducing Pesticide Use in Florida Waters

... or hurricanes can increase turbidity and tannin content, or increase water levels by several feet. All of these ...

Rivers

... with a large amount of suspended organic matter and tannin s. The brown or tea color results in the common name ...

Physical Control

... dyes. Light attenuation mimics the natural effects of tannin s or turbidity in the water and is most effective for ...

Herbicide Considerations Reference Guide—Introduction

... parameters including plankton ic algae content, tannin s, turbidity , and water depth. When controlling hydrilla in ...

A Manager's Definition of Aquatic Plant Control*

... S Dyes artificial dyes like natural tannin s color water, reducing light penetration to control or ...