Spider webby type detritus algae id pls?

[dnguyen1]

I thought this may be some form of diatom but it looks like cob webs and it’s all over my rock. I have major flow through out so wondering if anybody can chime in on this photo thanks!!https://uploads.tapatalk-cdn.com/20180128/7cbd673a54af40ad6638b6a56b8a650a.jpg


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[mcgyvr]

Looks like dying hair algae from here..

Please turn off/down your blue channels and get a clearer picture..
Color rendition is important in identification pictures and the "blue/purple" look does not render colors properly..

[thegrun]

...or a bacteria mat.