Hi all,
I have a Red Sea Reefer 250 that has been up and running for 8 months now. My issue is a strange black algae\cyano growth that has plagued me for the last two months+. I have been treating as follows:
cleaning gravel twice weekly
20% water changes twice a week
Addition of beneficial bacteria fortnightly
Clean 100mU filter socks daily
Reduced white spectrum by 75%
Tank parameters are as follows:
dKh 7.7
Mg 1500
PO4 0.06
Ca 450
Ammonia 0
Nitrate 5
Nitrite 0.25
Ph 8.4
Salinity 35ppt
Temp 78f
Fish stock: 1 x Sailfin Tang, 1 x Lemonpeel Angel, 2 x Clowns, 2 x Yellow Belly Damsels
Corals: Various Zoa colonies, mushrooms and rhodactis, Kenya Tree, Xenia, GSP, Hammer, Acans, Plating Monti, Candy cane and Fungia Plate.
All corals doing well with the exception of the fungia plate and candy cane; fish healthy and feeding well.
I’m not even sure what I’m actually fighting here, whether it’s an algae or cyano - it’s an amorphous black slime which grows in patches on the sand and rocks. The pictures shown are 48hours after a thorough sand clean and 50l water change.
Any help would be gratefully received, thank you for your time.
I have a Red Sea Reefer 250 that has been up and running for 8 months now. My issue is a strange black algae\cyano growth that has plagued me for the last two months+. I have been treating as follows:
cleaning gravel twice weekly
20% water changes twice a week
Addition of beneficial bacteria fortnightly
Clean 100mU filter socks daily
Reduced white spectrum by 75%
Tank parameters are as follows:
dKh 7.7
Mg 1500
PO4 0.06
Ca 450
Ammonia 0
Nitrate 5
Nitrite 0.25
Ph 8.4
Salinity 35ppt
Temp 78f
Fish stock: 1 x Sailfin Tang, 1 x Lemonpeel Angel, 2 x Clowns, 2 x Yellow Belly Damsels
Corals: Various Zoa colonies, mushrooms and rhodactis, Kenya Tree, Xenia, GSP, Hammer, Acans, Plating Monti, Candy cane and Fungia Plate.
All corals doing well with the exception of the fungia plate and candy cane; fish healthy and feeding well.
I’m not even sure what I’m actually fighting here, whether it’s an algae or cyano - it’s an amorphous black slime which grows in patches on the sand and rocks. The pictures shown are 48hours after a thorough sand clean and 50l water change.
Any help would be gratefully received, thank you for your time.