Hi Wbdiff users: Currently the wetbench diffusion HCL/H2O2 tank is not working. It cannot drain the liquid. Does anyone know how to solve the problem? Yiwen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://snf.stanford.edu/pipermail/wbdiff/attachments/20090802/8073126a/attachment.html>