Explain to me how you can have denitrification and separate all the other things from detritus.
Are you familiar with the Redfield Ratio?
I'm waiting on your explaination.
I don't understand the question. If the sand bed takes out a lot of nitrogen, leaving phosphorus, and I use iron oxide to bind the phosphate, I can keep phosphate and nitrogen low.
__________________
Randy Holmes-Farley
|