As Long As Ten Years
Derek learned that the balls should last for up to a decade. But what happens when that period is over? After that, the team has to replace all of them. Even though they are excellent at helping save water, it was not the only reason they are on the lake. Can you guess what else they are supposed to do?
As Long As Ten Years
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They Also Prevent Algae Growth
The black balls also help keep the water cool and offer shade. This then minimizes the growth of algae. Knowing this, the treatment facility does not have to use a lot of chlorine to make the water safe for drinking. This sounds like a great idea to us. But the most important use has to do with something else.
They Also Prevent Algae Growth
