Quote:
Originally Posted by ReefkeeperZ
time to tack another question on here: my nitrates are considerable, but my phosphate is nigh undetectable, is vinegar dosing dependant on having available Phos to be effective? I do have monopotassium phosphate I could add if necessary to increase the efficacy.
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Having "considerable" and "nigh undetectable" defined in numbers would be helpful.
In general carbon dosing will remove much more nitrate than phosphate. Some where it's quoted at a ratio of 16:1 but I think there is confusion with the Redfield ratio in that assessment.
I suggest basing your dosing on the appearance of algae / growth of corals. You cannot have 0 nitrate and 0 phosphate. Low low values of each <1 nitrate and <.05 phos can create new issues as I believe those are referred to as ULNS.