What is your efluent Ca levels and how fast are you dripping? Mine is at 600ppm and dripping at 100 drops/minute and I can't seem to keep up with my corals demand. I have a 100g system with about 30 medium-large SPS colonies and my level are consistantly at 300ppm and dkh at 4. What can I do to bring levels back up to 400ppm and dkh of 7-8. My reactor holds about 2 containers of ARMs.
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