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Hot weather, algae kills fish at Grand Lake St. Marys

ST. MARYS, Ohio (AP) — High temperatures have combined with toxic blue-green algae to scores of fish in Ohio's largest inland lake.

Area residents and Ohio parks officials reported finding several hundred dead fish floating in the shoreline channels of Grand Lake St. Marys in western Ohio last weekend.

Fish kills are an annual summertime occurrence at the shallow, 13,000-acre lake when decomposing algae rob the water of oxygen and suffocate them. It grows thick from feeding on phosphorus from manure and fertilizers that rain washes from nearby farm fields.

Milt Miller, manager of the Grand Lake St. Marys Restoration Commission, tells The Columbus Dispatch (http://bit.ly/13GMJyO ) that the recent hot days and calm lake with no wind contributed to the algae growth.

The state has spent millions trying to fight algae there.

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