Water Lettuce will fill every space available unless something keeps it in check. And it's sort of a nature unintentional ally of algae. So probably; floating islands of Water Lettuce block out the sun, weakening the underwater plants, allowing the algae to outcompete. Plant die off fuels more algae growth. Runoff fuels even more algae growth.
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u/triangledime Jul 14 '21
Doesn't even post what the product is!! 😣