ReefRunner brings up an interesting point about Phosphate. I currently use Aragamilk on my tanks, but always seem to have some cyano
hovering around somewhere, and there's no other nutrient stack it can feed off of.
I'm thinking of trying Kalk
simply because it's far more selective in terms of what it does than Aragamilk, not that the Araga product is bad. I'm just eliminating variables.
The buffering ability of any of these products are worth their effort in terms of improved tank health; fish or reef. Elevated Nitrate levels also influence cyano