Thread: Rambling About Mud Ponds, Natural Ponds and Koi Ponds
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Old 06-11-2006   #10 (permalink)
junglegeorge12
Oyagoi
 
Join Date: Jul 2005
Location: Puerto Rico
Posts: 1,228
Mitten, the ones I have seen and asked do not drain annually as that would start the whole biological process from scratch, reducing algae and spirulina in the system dramatically. It is only done when needed.
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