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| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| MadTinker | "We take two different samples: one sample is used for local chemistry analysis (alkalinity, pH, hardness, ...). That sample is collected typically ..." | Read more » | over 3 years ago | |||
| MadTinker | "Nice explanation. I do this a few times a month and this is the same procedure accepted in Colorado. The one minor difference is the option to use ..." | Read more » | over 3 years ago | |||
| MadTinker | "Yeah, that seems right. I should have thought thru it a bit more. " | Read more » | over 5 years ago |