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  1. K

    Biofilter -yes or not?

    I have met with information,that "in soft,acidic water the biofilter is much less effective,especially in extremely low pH;the useful (nitrifying)bacteria cannot thrive,and biological filtration is no longer a viable option.So it has to be compensated for with more chemical filtration and...
  2. K

    Biofilter -yes or not?

    Hi all! I have a question. Is the biofilter efficacious in soft,acidic water? Maybe chemical filtration would be better in such conditions? What do you think at this matter?:)
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