Where can I get hold of Richards spread sheet?

Hi Richard,
I have read your posts. However I can't find your spreadsheet or some of the charts you have posted. Would you be kind enough to post a link to them.
Regards

Amir

Many charts are in the first post or referred to in links to other posts in this thread and the link to the spreadsheet is near the end of that post or may be found here (the link in the post is to a ZIP file while the link I put here goes directly to the Excel spreadsheet). It is NOT for novice users. I use it to calculate pool water chemistry. Michael Smith's BleachCalc that you can find at this thread is much easier to use.

Richard

Thank you Richard.
Amir