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- Jun 17, 2016
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Been struggling a bit with my parameters the last couple of months on my 90 gallon SPS. My alkalinity levels slowly drop but my calcium and magnesium levels are very high. My magnesium is consistently around 1500, and my calcium ranging from 480-510. But my alk seems to be dropping (slowly but surely), measured this morning at 8.16 (around 9.5-10 most of December). Note that I use salifert kits for all 3 of these parameters.
I'm dosing 20mL/day of 2-part, not concerned about my alkalinity too much, it's in range and I have pretty good control. The problem I'm having is with the high levels of Calcium/Magnesium. How do I get these down in check without messing up my dosing pattern? I'm using Red Sea Coral Pro salt at ~1.026 salinity.
I guess my question is, is it necessary to dose the same amount of calcium/alk, or can I alter slightly?
I'm dosing 20mL/day of 2-part, not concerned about my alkalinity too much, it's in range and I have pretty good control. The problem I'm having is with the high levels of Calcium/Magnesium. How do I get these down in check without messing up my dosing pattern? I'm using Red Sea Coral Pro salt at ~1.026 salinity.
I guess my question is, is it necessary to dose the same amount of calcium/alk, or can I alter slightly?