Citizen Science
收藏DevWins2026-07-31 收录
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Bacteriological contamination test (H2S) with E. coli estimation. 1. Take the water sample with the test bottle. 2. Photograph the sample at the start (hour 0). 3. Let it incubate and check the bottle periodically. 4. Record how many hours it took to change colour and take another photo. 5. Using the kit's table, select the estimated E. coli range. 6. Save: it uploads by itself when there is internet.
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