Coincidence that clams are dying 3 weeks after adding new clams?
Scoop on tank:
155 gallon w/3 400W MH, actinics, 30 gallon sump, 10 gallon fuge, DAS skimmer.
H20 parameters:
Salinity: 1.025
PH: 8.1 - 8.3 (24 hr reading)
Calcium: 375
Alk: 3.5
Nitrates: 0
Ammonia: 0
Phosphate: 0
I...