Hi, so I have this hammer for over 3 months. Last month 1 head started to retract and not open fully. I had a nitrate spike from 5-10ppm to 25ppm when I noticed that the head is retracting. Nothing else changed in the tank, parameters pretty stable.
Parameters :
Nitrate 25
Salinity 1.024-25
Phosphate 0.25
Alk 7.8
Calcium 450
Now:
before:
Parameters :
Nitrate 25
Salinity 1.024-25
Phosphate 0.25
Alk 7.8
Calcium 450
Now:
before:

