I have a CO2 scrubber, and that used to raise my PH to 8.3. Now my PH only goes to 8. It will drop to 7.6 when the skimmer is off for a few hours. I've checked for airline leaks which may bypass the co2 media. I have a 180g display. The CO2 media is in two BRS jumbo reactors. I use a container with water as the air input to the canisters. I believe there is an ample amount of surface agitation. The house has one adult, two children and two dogs. I dose BRS alk and calcium. Any ideas as to why the PH just won't go above 8?
Alk 9.7
Phosphate .5
Nitrates 25
Nitrite 0
Ammonia 0
ORP 450
Alk 9.7
Phosphate .5
Nitrates 25
Nitrite 0
Ammonia 0
ORP 450