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What’s this on my sand bed?

Esplay

By Esplay,
in General Reefkeeping_

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Esplay Newbie

Esplay

Posted
Posted

Hey reefers, recently had a diatom bloom (or what I think it is), at first it seemed like regular brown diatoms, however upon closer Inspection it seems slightly purple and slimy? Could it be cyano? Or could it be coralline? Advise please

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Solo77 Proficient

Solo77

Posted
Posted

Very likely cyano. Whatever it is, not good and shouldn't be coraline. Siphon out and reduce light 

Tank : 4 X 2 X 2 with low iron front panel and external overflow

Skimmer : BK SM200 with waste collector

Return Pumps : Red Dragon 6m3 and Ehiem 1262

FR : 2 X Deltec 509 & powered by AB2000

Nitrate Filter : Deltec NF 509 and tee off from AB2000

Calcium R'tor : Deltec PF 501 with RM secondary chamber

Kalkwasser R'tor : Deltec KM500

Chiller : Pansonic 1 HP Compressor with 20m titanium Coil

Wave Makers : 4 X Tunze 6055 with 7096 & Vortec MP40w

Controller : GHL Profilux

Lighting : ATI Powermodule 10 or 8 tubes

Water Top-up : Water Top-Up tank powered by Tunze Osmolator

External Monitor : American Pinpoint pH and Temp. Monitor for main tank and GHL Profilux Controller to measure temp, pH, Redox

Ozonizer : Sander C50

UV : Corallife 6x

Algae Scrubbler

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