Originally Posted by Bluek24a4
Your charts are awesome.
Thank you! They are from an application I have been writing to help with tank record keeping. It is basically a database with specific charts. I just added a CO2 calculator (as useless as I think they are lol). Next I want to add a fertilizer dosing calculator that alerts me when my levels fall out of range. Then advise the exact dose to bring it back. It takes the guesswork out of it all.