Why does my pond have muck?

Where do all of the runoff and dead algae and plants go when they are no longer visible in the water? They fall to the bottom of the lake and become sediment. Sediments that are made up of mostly dead organic material are called muck, which has a thick sticky texture, and often has an unpleasant rotten-egg sulfur smell. Because muck is organic, it can contribute nutrients back to the water, causing algal bloom, clarity, and odor problems in the lake.

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