Question: How do I collect a sample for laboratory analysis?

warren is asking a question about water-sampling: Follow this topic

by warren | September 07, 2017 20:06 | #14842

(Copied from the DIY Oil Testing guide)

There are lots of types of samples (see Sampling), but what are some resources to help answer this question?


Here's an answer from the DIY Oil Testing guide by @gretchengehrke and @eustatic

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