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Cleanup Crew in a Five Gallon Tank

2K views 5 replies 4 participants last post by  NickAu 
#1 ·
Is that feasable? When I had a marine aquarium I kept a starfish, a snail and a couple hermit crabs that kept the tank spotless for me. I didn't have to lift a finger except to do regular water changes.

Are there any animals that can perform a similar function in a Fluval Spec V? I'm looking into possibly adding more critters with a low bioload once the water parameters have stabilized. I've browsed through some of the threads here and shrimp don't appear to last very long with many bettas.

I also have pebbles, not sand, in my tank, so I don't know if any snails would work.

I need something to keep uneaten food and fungus in check.

Thanks, folks!
 
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#6 ·
You may want to read this article by TFK/BF member Byron, In fact read and pay attention to anything he writes, He knows his stuff.

Substrate Bacteria

The greatest population of bacteria in a healthy balanced aquarium occurs in the substrate, not the filter. The floc or humic compost that collects in the substrate is the host for the biofilms; this is why the substrate in planted tanks should never be disturbed, and many aquarists apply this to non-planted tanks as well.

In very general terms, aerobic nitrification takes place in the top 1-2 inches of the substrate; anaerobic de-nitrification takes place approximately 2-4 inches down, and anaerobic bacteria producing hydrogen sulfide occurs in substrates deeper than 3-4 inches. In all three cases, it will be deeper in coarse substrates (like pea gravel) and more shallow in finer substrates such as sand. These generalities will also vary with the presence of live plant roots and substrate “diggers” such as snails and worms, since these factors result in more oxygen being made available in the substrate, reducing anaerobic bacteria activity. An oxygen level in the substrate of as little as 1 ppm promotes nitrogen reduction rather than sulfur reduction (hydrogen sulfide). [6]

Maintaining a substrate of fine gravel or sand no deeper than 4 inches, having live plants rooted in the substrate, and keeping Malaysian Livebearing snails are the best and safest methods of providing a healthy biological system for aerobic and denitrifying anaerobic bacteria.
http://www.tropicalfishkeeping.com/member-submitted-articles/bacteria-freshwater-aquarium-74891/
 
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