Red things on sand?

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Fredrik Andersson

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just found these in my tank. Is it bad?

A2618C6B-A40F-49AE-B419-5437728262A7.jpeg
 
ReefBot Lab, Automated Water Tester
Looks like the start of cyano possibly.
 
Yes, it's cyano bacteria. I have some spots on my sand bed. I just ciphon it out with a turkey baster.
 
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