Rio San Pedro sediment + 0.5g FeSO4 + filter paper.
The only change we can see from the last time we saw is that more oxide, and observed more lines orange due to Rhosdospirillum and Rhodopseudomonas, who produce these orange lines.
Futhermore, we can see more filaments spreading in the water and cyanobacteria and seaweed growing on the top.
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| Day 57 |
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| Day 35 |
In theses pictures we can see the change.
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