Quote:
Originally Posted by Samw
Ok, but if you had one, it can help you determine whether your bioload is too high. 
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Ok, I'll give you that
However, that doesn't really address the question.
Skimmer x is good for 200g @ light load, 150g @ med load, 100g high load. How does one determine if skimmer x is appropriate for their 120g tank?
Personally, I've been doing this a couple years now, I just know. I know my bio load, pretty comfortable guessing bio load capacity, and I'm confident in my abilities to size a skimmer.
But for most consumers new to the hobby, what does that mean? Does skimmer x meet my needs? Or do I need x +/-1 for my tank? Generally bigger is better, but if I go too large, I may not have enough load to get proper foam development.
All theoretical discussion with no real answer, just something to kick around.