HeyJaredA Field Guide to Biochar Water Treatment
Low-cost DIY drinking water treatment using biochar to remove chemical pollutants.
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- Aug 31, 2026
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- Jul 22, 2026
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Ecuador ‘26 recap (opens the original)
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The objectives of this trip were:field test and validate DIY UV and fluorescence spectrometers for water quality and biochar water treatment analysisdevelop a column test method utilizing one or more suitable “unicorn” fluorophore surrogate adsorbatestrain members of the local team in updated biochar adsorbent analysis methodsHere’s how we fared…Excellent performance by DIY s
How to jungle-proof your spectrometer (opens the original)
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As mentioned previously, one of our objectives is to make biochar and water quality testing more accessible by radically reducing equipment costs.To this end, we’re trying to replace a ~$3,500 commercial UVA254 field spectrometer with a ~$250 DIY unit. Both are shown here relaxing in the comfortable climate controlled space of my home lab in North Carolina:<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!Ihsp!,f_auto,q_auto:good,fl_progress
Field testing new methods and instruments (opens the original)
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I feel like we have crammed six months’ worth of biochar water testing method development and instrument prototyping into the last six weeks. It has truly been a marathon renegade science session.Ready or not, time to field test all this!<img alt="" cl
Unicorn molecules & DIY spectrometers, oh my! (opens the original)
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This is a quick note to let you know I have started uploading results to two pages in the Open Access Materials section about our current R&D projects to find fluorescent surrogate adsorbates and build radically inexpensive UV and fluorescence spectrometers.Last week I published an overview of these two projects.Now they each have their own section. As we hit milestones in these projects I will post updates so you can follow along with the work. As always, we love to get y
DIY fluorescence and UV spectrometers (opens the original)
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As described in the introduction to this R&D project, a significant hurdle to the widespread establishment of biochar and water quality testing field labs is the cost of analytical instrumentation.<source ty
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