07-30-2020, 04:51 AM
Join Date: Jul 2020
Originally Posted by mistergreen
Keep in mind 12ppm Solid is a different unit we use in water, which is mg/L. I think it’s mg/kg.
Oh yeah, good catch. Like I said, don't know what level of copper is safe anyway, but I'd look it up before using it. (My usual flake food has copper in it, but at levels that don't bother anyone. It is an essential nutrient, dose makes the poison, etc.)