Product SKU: AOSSQS1152R

Customer Reviews

• Author: Ahmad
  Really not an answer . just more htnigs to look at.How DEEP is your substrate? . which really wouldn't take much depth for what I'm thinking.Plus no real description of the "smell".I'm thinking anaerobic activity in the substrate or even in the sump media.You look overstocked but the filtration and the water changes are recouping on that fairly well.But that is a lot of waste hitting the substrate,so I don't know your routine for gravel vacuuming.No mention of it,know you have plants,and didn't see your last posted question.Don't think plants can utilize that much waste . so simple check.Not recommending anything but this check.Take a probe of some type (straight stick,algae scraper handle,etc you get the idea) and probe around in the substrate and up under decor.Watch for bubble releases (big or small) . those won't be oxygen,they'll be Hydrogen sulfide gas (smells to high heaven) from anaerobic activity.If getting lots of minute bubbles and/or several large releases that'd be the problem.Honestly don't think it's your filtration or flow rates and I'm also anti-carbon (never saw a use for it if not getting foreign contamination from outside the tank) as I've run similar stockings to yours and never had smells without it.Always used the space for more bio-media.Nothing wrong with your "canister pre-filter" plan as long as adding some type of aeration before going into the media chamber.Aerobic activity is what's needed,and if passing water too far through media without an oxygenated flow you begin to get anaerobic activity on the "backside" . take a whiff of the film you are seeing where thinking about using the skimmer see what the odor is.Using a protein skimmer in freshwater really won't accomplish anything except really good aeration.So it may be helpful there in that respect.I'm simply thinking anaerobic activity is the main cause so check the substrate for hydrogen sulfide from that activity and add in some type of aeration to the bio-media in the sump to insure thoroughly oxygenated flow through ALL of it.No big additions to your already taxing maintenance schedule just simple htnigs to see if this clears it up.This would apply using either wet/dry or full wet sump.
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