Can anyone recommend a good co2 regulator, solenoid, needle valve, bubble counter combo unit to suit the connection on dupla type co2 bottles (i.e. non taper thread type), as this is the connection type used on co2 bottles here in Australia? _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo/aquatic-plants