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Lakes are limed because of acid rain, without the added alkali in the water the pH balance of the lake would be pushed further towards acidic and this would be very detrimental to the aquatic life which have quite narrow tolerance bands for pH. So to keep the pH at roughly the same level lime is added.

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βˆ™ 15y ago
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βˆ™ 5mo ago

Lakes are limed to neutralize acidity caused by acid rain or other pollutants. Liming helps improve water quality, restore natural balance, and enhance aquatic habitats for fish and other organisms.

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βˆ™ 14y ago

It is the adding of lime (a base) to neutralize lake water that is too acidic. Lake water can be acidified by acid rain.

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Q: Why are lakes limed?
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