[APD] DO membrane / Purchase

[Billionzz at aol_com]

>>>>or you can DIY a DO membrane on the tip of a pH probe, and  put
the KH ref solution inside instead of the dissolved O2 KCL
solution.  <<<<<
 
Where can you buy these membranes at?
 
Thanks,
Bill 

_______________________________________________
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com
http://www.actwin.com/mailman/listinfo/aquatic-plants