DO, Dissolved oxygen is the "MOST IMPORTANT PART" of any filtration process. Without good DO your Berlin style system you are setting up is doomed. LR (live rock) requires "FLOW" lots of oxygen to do the "CYCLE" thing, as does the top of your DSB come refuge filter. Without a healthy supply of DO over the top of the DSB the filter will not work. OK, a low DO system will remove Nitrates in an anaerobic environment at the expense of available ammonia, this will always be present in this environment. The result is diatoms, hair algae and other Cyano issues.
This subject, filtration/support system, is as you are learning, huge.
Please do not be put off or discouraged by what i say, you are going in the correct direction. These issues are tec but things to consider as you move on.
This subject, filtration/support system, is as you are learning, huge.
Please do not be put off or discouraged by what i say, you are going in the correct direction. These issues are tec but things to consider as you move on.