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At a glance...
  • Natural filtration media for pond filters
  • Offers mechanical and biological filtration
  • Free-floating rock should be bagged for filtration
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In stock
SKU
SU_793843
Price Match
From £10.50 Regular Price £17.89
Details

To filter the large debris out of the pond water, the Filtra-Sub material is specially suited. The large pores are not easily clogged and therefore, the filtered water passes through easily. Through the structure of the material, it is also an ideal attaching substrate for micro-organisms

Alfagrog is ideal for use in any biological filter system. It is very popular among koi keepers and commonly used in box or bay filters. Many pond keepers opt to swap plastic bio media for this material for a longer life and better results.

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