[OceanicCorals-Ian-]

Originally Posted by lastlight

So is the rate at which these pellets get smaller and less effective based on flow over them or how much actual reducing they do? I say your nitrates and phosphates were zero...would they still dissolve away and need replacement?

Essentially the answer is yes but at a much slower rate, the speed at which the Beads dissolve depends on the amount of nutrient available to the bacteria that colonize the reactor. The more the nutrient available the faster the Beads dissolve.