AshleyNicole said:if you leave the UGF without any water flow you will get anaerobic bacteria under the plate.. very not good.
rubysoho said:I just found a website recently about reversing the flow of the UGF, I will try and find it again, it was pretty cool.
greenmaji said:AshleyNicole said:if you leave the UGF without any water flow you will get anaerobic bacteria under the plate.. very not good.
That is actually the point of Dr. Jean Jaubert's plenum method.. the levels that are anaerobic are protected with screen so they dont get disturbed and it is used to remove NO3 from the tank like a DSB.. Its a SW technique that I have not heard of being used in FW..