- Joined
- Sep 16, 2008
- Messages
- 176
- Reaction score
- 44
Corals were telling me something was wrong so I tested everything. Nitrates were reading 0.9 ppm and Phosphate was .09 (I’m fine with this number).
In an effort to bring Nitrate up I have done a combination of things over the last week.
1. Small amounts of sodium nitrate added
2. Turned off refugium lights for 3 days. Then reduced photo period from 10 down to 8 hours.
3. Ramped up feeding
Fast forward 1 week and Nitrates is 4.2 and Phosphate .54 (not okay with this)
I have added GFO in a reactor. What else should I do to get this imbalance corrected?
Here is some additional tank info before others ask.
420g total volume
Reef Octopus 300 external recirc
Roller mat on one of 2 drains
Big Fuge approximately 60 gallons with chaeto.
Other parameters:
SG 1.026
Temp 76.6-77.5
PH 7.9-8.1
DKH 7.7
Calc 500
Mag ?

In an effort to bring Nitrate up I have done a combination of things over the last week.
1. Small amounts of sodium nitrate added
2. Turned off refugium lights for 3 days. Then reduced photo period from 10 down to 8 hours.
3. Ramped up feeding
Fast forward 1 week and Nitrates is 4.2 and Phosphate .54 (not okay with this)
I have added GFO in a reactor. What else should I do to get this imbalance corrected?
Here is some additional tank info before others ask.
420g total volume
Reef Octopus 300 external recirc
Roller mat on one of 2 drains
Big Fuge approximately 60 gallons with chaeto.
Other parameters:
SG 1.026
Temp 76.6-77.5
PH 7.9-8.1
DKH 7.7
Calc 500
Mag ?


