Hi Rich,



Virosan is a Chlorhexadine preparation similar to Nolvasan. It is not as broad spectrum as a Quaternary Ammonia preparation, but is effective against many common reptile pathogenic bacteria, including Pseudomonas. Straight Chlorhexadine is not effective against Pseudomonas, but Virosan has an alcohol additive that is. It is not particularly effective against many viruses or Mycobacteria. As a side note, Roccal-D is not effective against spores, mycobacteria or fungi, Pseudomonas, or hydrophylic viruses or some parasite oocysts. That is why I also use a Chlorine Bleach solution in addition to the Roccal-D. Chlorine Bleach will kill ALMOST anything that lives. Interestingly, Cryptosporidium survives Chlorine Bleach. The only thing I know of proven to kill Crypto is ammonia. Virosan and Nolvasan are not as toxic or irritating to the animals as Roccal-D and Chlorine bleach, so in that respect are safer to use. Roccal-D, as stated earlier, can be very toxic to animals so great care must be used to make certain all residue is rinsed away.

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