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You can indeed get sick from swimming in algae, if the algae is a bloom. Not all algae in lakes is harmful - in fact, it shows that the lake's ecosystem is alive. But too much algae can be danger...
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You can indeed get sick from swimming in algae, if the algae is a bloom. Not all algae in lakes is harmful - in fact, it shows that the lake's ecosystem is alive. But too much algae can be danger...