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That question occurred to me too. They say they last 10 years? Fantastic, that's very reasonable. What happens then? They dredge them all back out of the water
by dTal 8y ago
That question occurred to me too. They say they last 10 years? Fantastic, that's very reasonable. What happens then? They dredge them all back out of the water and replace them? Because that sounds like a hell of a logistical problem compared to dumping them in.
Your link, however, appears to persist in the misconception that their purpose is to prevent evaporation. Why is it such a common meme?
- kyriakos 8y agoConsidering their original cost taking them out of the lake shouldn't comparatively cost a lot. They are all at the surface and can be pushed to the shore and collected. The bigger problem is that they will start deteriorating and leaking plastic long before their 10 year life time. After all its plastic in under uv light and constantly changing temperature.