The commonts below are accurate. In addition, and as noted previously, keeping pH is consistent is the main concern.
Over my years of reefing I always had a lower pH due to how aggesively I ran my calcium reactor..........it never impacted my corals.
Quote:
Originally Posted by sphelps
Low pH is usually from CO2 content. Many people who run Ca reactors experience lower pH. Some possible solutions:
- Introduce fresh air by running skimmer air intake to outside air
- Reverse refugium lighting (refugium lights on when tank lights off)
- Supplement Ca and Alk with Kalkwasser or Calcium Hydroxide (reacts with CO2 and maintains high pH)
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