Yes, decline in Diatoms is a major problem. However the reason for this may change in the macro : micro nutrient ratio and not the N : P ratio. Sewage contains macro nutrients, N and P, but very little micro nutrients.

Published by

Yes, decline in Diatoms is a major problem. However the reason for this may change in the macro : micro nutrient ratio and not the N : P ratio. Sewage contains macro nutrients, N and P, but very little micro nutrients.