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7 hours ago
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Joined: Apr 2002
Posts: 15,999 Likes: 1498
Moderator
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Field Correspondent Lunker
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Moderator
Ambassador
Field Correspondent Lunker
Joined: Apr 2002
Posts: 15,999 Likes: 1498 |
The hard covering on Chara is precipitated calcium carbonate a common occurrence in high hardness water - high concentrations of lime in the water.
aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management
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