Automating Aquaponics "shake testing"

3,705 views · Published 27 July 2014 · 0:55 · Indexed 14 October 2026

Channel: James Newton · 2014 · Science & Technology

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The idea here is to remove human variability and provide for automated data collection with low cost chemical reagent tests for common water conditions such as Ammonia, Chlorine, Nitrate/Nitrite, and pH. Currently, the electronic sensors for those test are very, very expensive and require frequent replacement.

This video shows a possible design for the reaction chamber where the chemical indicator is added to the sample water and LED/photodetector combination is used to test the color of the resulting mixture. This design is not meant to be a final product, but instead just a starting point.

More details, parts list, design files, etc... all here:
http://www.thingiverse.com/thing:435678

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