Quote:
Originally Posted by Tripod1404
I nature corals grow in very low soluble nitrate and phosphate levels (almost in trace amounts) and the alkalinity of natural sea water is around 7.5dKH.
In a tank if you try to replicate the low nutrient levels (through carbon dosing and subsequent consumption of nitrate and phosphate), you need to lower alk as well.
The reason for this is not very clear. But from a very simplistic point of view
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That's an interesting hypothesis. I hadn't thought much about ROS being an issue, but that's possible. We'd also need to know how corals control the calcification process to begin to validate this theory.