Filter retension time vs. turnover rate

  • We are currently upgrading MFK. thanks! -neo
Fishkeeping is a choice, not a disease!!!


I have a heavily stocked 125 gal tank with sand substrate & lots of decor... filtered by 2 AC 110s (sponges only, no bio media) and nothing more...

I pull the sponges out and winse them vigorously under chlorinated hit tap water every week or two... I have done this for many years (10+) and have never experienced any ammonia/nitrite spikes as a result...

I've used this approach in Wilmington NC, Charlotte NC & Detroit MI...


This may be a bit off topic for this discussion... but I am convinced that not providing "bio media" encourages my bacteria to live on surfaces throughout the system and prevents it from collecting in one single area which makes for a much more stable environment...
 
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