Hi Fellow Aquarium Enthusiasts-
My tank has been up and running for about 2 years now. All of my corals were doing really well until about a week ago when they started to close up, polyps are not extended anymore on my SPS, and my Acros are all shriveled up. Zoas are starting to melt and are not opening either. Nothing changed in my tank. I have tested the water and the parameters (which have been pretty stable) are as follows:
Ca: 450
Kh: 8.5
Magnesium: 1460
Ammonia: 0
Nitrite: 0
Nitrate: 0
Ph: 8.1
Potassium: 0
Salinity: 0.25
Water temp: 77 degrees
As far as equipment goes:
75 gallon display tank w/25 gallon sump
Reef octopus protein skimmer
GFO reactor w/rowa phos media (turned off a few days ago)
2 ocean revive lights running at white channel 10%, blue channel 58% (turned on for 9.5 hrs a day)
2 power heads
Water changes 15 gallons per week
Stock List:
5 Antias
2 Clown fish
1 purple tang
3 wrasses
3 purple firefish
1 flame angel fish
The only thing that caught my eye is low nutrients (nitrate - 0, phosphate-0). Any ideas what else could be causing this? Suggestions on what i can do? Please see attached pictures.
Thank you in advance for your feedback.
Adrian
My tank has been up and running for about 2 years now. All of my corals were doing really well until about a week ago when they started to close up, polyps are not extended anymore on my SPS, and my Acros are all shriveled up. Zoas are starting to melt and are not opening either. Nothing changed in my tank. I have tested the water and the parameters (which have been pretty stable) are as follows:
Ca: 450
Kh: 8.5
Magnesium: 1460
Ammonia: 0
Nitrite: 0
Nitrate: 0
Ph: 8.1
Potassium: 0
Salinity: 0.25
Water temp: 77 degrees
As far as equipment goes:
75 gallon display tank w/25 gallon sump
Reef octopus protein skimmer
GFO reactor w/rowa phos media (turned off a few days ago)
2 ocean revive lights running at white channel 10%, blue channel 58% (turned on for 9.5 hrs a day)
2 power heads
Water changes 15 gallons per week
Stock List:
5 Antias
2 Clown fish
1 purple tang
3 wrasses
3 purple firefish
1 flame angel fish
The only thing that caught my eye is low nutrients (nitrate - 0, phosphate-0). Any ideas what else could be causing this? Suggestions on what i can do? Please see attached pictures.
Thank you in advance for your feedback.
Adrian