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Old 08-08-2010, 03:34 PM   #970
BigV
Goon Squad Leader
 
Join Date: Nov 2004
Location: Seattle
Posts: 27,063
When a root penetrates a water line, it grows like this. Imagine the roots in a hydroponically grown head of lettuce. They're all hairlike. Enough to take up the water and nutrients, but only strong enough to penetrate water. Unlike roots grown in soil, these are very numerous and very fragile (relatively speaking). Nature's smart.
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