Color-changing indicator predicts algal blooms

ScienceDaily
Nov 3, 2021, 2:01 pm121 pts
Murky green algal blooms are more than a major eyesore; they reveal that a body of water could be unsafe for swimming or drinking. Currently, however, there isn't an effective warning system for impending blooms. Now, researchers report an indicator that changes color when exposed to rising levels of alkaline…

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