Join Date: Feb 2010
Location: Dallas Ft Worth, Texas
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Re: High Nitrite levels in cycled 75g tank
Nitrite or Nitrate??
I agree with bob. For laymans terms, it is either because your tank has not finished cycling or your tank cannot keep up with your fish's bioload.
What you can do is, add fast growing plants like Elodea (Anarcharis), you can get them at petco. They grow and multiply very fast. Or can you just continue what you are doing, your weekly water change schedule. The thing is, if you add plants then you can do less water changes, cause they eat toxins from the water. No plants = more frequent water changes. Both ways work.
Light - 6500K CFL, 23wattsx5 5hr/day
Substrate - Red Mexican Clay, Sphagnum Peat moss, Eco-Complete
Misc- Pressurized CO2, EI Dose KNO3, KH2PO4, CSM-B
Plants -Limnophila Aromatica, Stargrass, Dwarf Hair Grass, Christmas Moss, Baby Tears (HM), Dwarf Baby Tears(HC), Rotala Rotundifolia, Ludwigia Glandulosa, Riccia Fluitans