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Jul 10, 2013 8:30 PM CST
will putting pennies into goldfish pond help with Algae?
Name: Cheryl
Kingwood, Texas (Zone 9a)
Region: Texas Greenhouse Composter Plant Identifier Plant Lover: Loves 'em all! Amaryllis
Plumerias Ponds Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level
Jul 10, 2013 8:33 PM CST
If you have fish the zinc in the pennies may be toxic as we just learned from poster "psa".:
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Name: Paul Anguiano
Richland, WA (Zone 7a)
GW & DG: tropicalaria
Forum moderator Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Garden Sages Garden Photography
Enjoys or suffers hot summers Tomato Heads Organic Gardener Greenhouse Native Plants and Wildflowers Herbs
Jul 10, 2013 8:46 PM CST
Actually, the copper could hurt them, too.

While there are temporary cleaning and chemical measure you can use, filtration of fish wastes is the best long term solution. Options include :
  • electrical mechanical filters
  • submerged, floating, and marginal plants
  • nitrogen absorbers such as small straw bales
  • regular water changes with non-(or de-)chlorinated water.

  • My favorite is option 2, but option 1 is the easiest for most people. A combination of methods is often most effective.

    Come join us in the Ponds and Water Gardening forum for more information, ideas, and advice: Big Grin

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