Backyard Waterfall and Koi Pond Features

Watch Out Beneficial Bacteria When Cleaning Filters

When Cleaning Your Pond’s Filters, Watch Out for the “Friendly” or Beneficial Bacteria. 

Sometimes when cleaning your pond’s filters, you’ll see a shiny, gelatinous layer,which is easy to spot on dark-colored filter material. This shiny, gelatinous layer (or “biofilm”) is actually the manifestation of the “friendly” or beneficial bacteria “colony”. Do not “destroy” it or apply some chemicals (or even just soap/detergent) on it; instead, just put the filter material back where you took it; the bacteria might still do your pond some good.

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