feture request: calculate ion balance and calcium carbonate stability

[jkall]

It could be useful to automate the process of calculating

• ion balance
• calcium carbonate stability

Suggestion: include those calcuations in the water quality reports (calculations for each sample). Inspiration:

• http://users.tinyonline.co.uk/chrisshort/ib.htm
• http://www.researchgate.net/post/Can_anyone_tell_how_to_do_ionic_balance_for_water_samples
• http://users.tinyonline.co.uk/chrisshort/calcarb.htm