Dynos or cyano?

cillam

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I have this red stringy stuff growing on my sand is this dinos or cyano.

20240418_154736_HDR.jpg 20240418_154743_HDR.jpg 20240418_154800_HDR.jpg
 
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cillam

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Checked everything 2 days ago. Measurements are.

Salinity 1.025
Ammonia 0
Nitrite 0
Nitrate 15
Phosphate 0.14 was .03 2 weeks ago.
Calcium 440
Alkalinity 9.0
Magnesium 1250
Ph 8.15

As far as filtration goes the water from the DT goes to a filter sock in sump, then protein skimmer, refugium with bio blocks and cheato, through a bag of activated carbon and back to the return pump to the DT.

Just got the cheato 1 week ago dosed some cheato grow. Think this could be fueling it?
 
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shakacuz

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Checked everything 2 days ago. Measurements are.

Salinity 1.025
Ammonia 0
Nitrite 0
Nitrate 15
Phosphate 0.14 was .03 2 weeks ago.
Calcium 440
Alkalinity 9.0
Magnesium 1250
Ph 8.15

As far as filtration goes the water from the DT goes to a filter sock in sump, then protein skimmer, refugium with bio blocks and cheato, through a bag of activated carbon and back to the return pump to the DT.

Just got the cheato 1 week ago dosed some cheato grow. Think this could be fueling it?
the chaeto definitely is contributing to your nutrients bottoming out, too. remove skimmer cup and let water run into your sump so it doesn't lower your nutrients but adds oxygen back into tank.

also, https://www.reef2reef.com/threads/help-is-this-dino’s.1048354/post-12420366 and follow my suggestions there. should help with either it being dino's or cyano.
 

taricha

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last pic looks more dino-ish than cyano.
(but, it can always be both!)
 

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