Thanks for your advice yesterday Chris N. Sorry about calling you on a Sunday.
My *&^% koi is still sick and all the treatments has now affectd my bio filters as well.. Goldfish is starting to sound good right now.
Can you please advise me on what microscope to buy (i like the Celestron brand) and what magnification is needed.
Thanks
Charl

Why not you find on amazon hope you get best branded microscopy at cheap price there.