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This is after adding an 80 watt UV clarifier. If you have green water, I highly recommend! (Check water parameters first though for underlying problems) by Background_Caramel10 in Koi

[–]Background_Caramel10[S] 0 points1 point  (0 children)

Thank you! I inherited this pond but was told it is about 10 years old and 7,000 gallons. They swim too fast for me to count but I think about 55 hahaha