Goldfish tropical fish tank

How to Lower Your Nitrate/Nitrite Levels in Your Fish Tank

  1. In order to maintain a fish tank, you should be doing at least a 25% water change every week. When you do a water change, you are removing nitrate-laden water and replacing it with fresh, nitrate-free water. Leaving this too long will result in a build-up of nitrate that can harm your fish.


  2. Remember that a fish's stomach is around the same size as his eye. A little food goes a long way.
    • If you are giving fish several different kinds of foods (brine shrimp, blood worms, flakes, etc. ) then make sure the amount is controlled.
    • Place the food at feeding times in a place where the fish will actually be able to find and eat it.
    • Remove any uneaten food from the tank with a gravel vacuum or clean turkey baster.
  3. Follow the general rule of thumb, which is to have 1 inch of adult fish per gallon. Remember that this guideline is only for smaller tropical fish. A 12-inch pleco cannot fit into a 12 gallon tank, and a 10-inch fish has no place in a 30 gallon tank. Use your common sense.
  4. Test your water source for nitrate directly if after previous steps you still have high levels. If it is high, then find another water source, and do a water change with it.
  • Planted tanks generally have lower nitrate than other tanks. If you have a persistent nitrate problem, you may want to consider planting your tank. Some good plants for absorbing nitrate are duckweed and hygrophila.
  • To tell if your tank is overcrowded, the one inch per gallon is a very rough estimate. You need to take into consideration a couple of other factors, like how much waste will the fish produce. Will they get territorial? How big will these fish grow?
  • Goldfish require more than one gallon per inch of fish because they produce a lot of waste. A good rule to remember is 20 gallons for the first goldfish, and 10 gallons for each additional goldfish. Single tail goldfish require more space than fancy varieties.

Way too much work.

by jessicad

I had 10 cent goldfish last for 5 years, to the point where i had to give them to someone with a pond because i wasnt going to get a tank bigger then a 55, and they are still alive last i heard. way easier to take care of. my tropical fish just always die. I liek goldfish tails and how they swim.

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Secret Caribbean Island Vacations  — Businessweek
These shipwrecks host some of the world's best diving, with stingrays and 100 species of tropical fish making their home in the skeletons of Spanish galleons and British warships.

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