What is this on my sand?

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dave72787

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What does everyone think? Dinos?

20260119_190922.jpg 20260119_190914.jpg 20260119_190905.jpg
 
I think your tank is new and you have some algae: most likely diatoms but could be Dinoflagellets.

Help us help you and provide more information: parameters, how did you cycle tank, source of live rock & sand, scheduled maintenance like vacume sandbed during partial water change.

How about a full tank shot with white light?
 
I think your tank is new and you have some algae: most likely diatoms but could be Dinoflagellets.

Help us help you and provide more information: parameters, how did you cycle tank, source of live rock & sand, scheduled maintenance like vacume sandbed during partial water change.

How about a full tank shot with white light?
.
I think your tank is new and you have some algae: most likely diatoms but could be Dinoflagellets.

Help us help you and provide more information: parameters, how did you cycle tank, source of live rock & sand, scheduled maintenance like vacume sandbed during partial water change.

How about a full tank shot with white light?
Tank is 13 months old 36gallon bow, parameters are
Nit 1.6
Phos 0.05
Dkh 7.4
Ph 7.6
Salinity 1.026
Cal 430
Mag 1350
Caribsea life rock, and mix of caribsea live sand and regular aquarium sand dry, my syphon hose broke so I haven't cleaned the sand bed in awhile, weekly water changes of 20% , run an ac50 (sponge and chemipure blue/phosguard), and ac110 ( sponge and two huge media bags of ceramic ring bio media). And as for the cycle method I did fishless cycle with dead food until I saw nitrates present then added fish. Will add full screenshot of tank later when I get home
 
Are you able to grab a microscope photo? I’m leaning towards it potentially being Dinos
 
If it is dinos how the hell do I get rid of them lol uv sterilizer?
 

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