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3. UV effect on blanket weed in garden ponds

UV treatment won't work for blanket weed, which is a filamentous form of algae. In fact, this could become worse as the green murk clears and more light can reach the pond's depths. So for fast treatment, look at the various products products on sale.


But in the long term, the single-celled spores produced by blanket weed will be affected by the UV beams, thereby curbing growth.


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