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2torial #0705:
Learn2 Set up a
Freshwater Aquarium
The Age of Aquarium
Think of it--a tiny undersea world of your own
making. Colorful creatures slipping and darting
through plant fronds, the soothing glow of the
tank, and let's not forget the plastic mermaid and
bubbling treasure chest. Aquariums are a lot of
fun, but they do require a fair amount planning and
upkeep. We'll help you get started and keep your
freshwater friends happy (and not doing the dead
guppy's float).

It's a sad childhood memory: how one day you
discovered your little pet fish floating belly-up
in its glass bowl. Well, you're older now and more
responsible, but it's important to remember that
even with all the right equipment, fish still
require as much attention as any other pet. You're
providing their entire ecosystem--if one element
isn't functioning properly, the whole setup can be
affected. Expect a few slip-ups (and probably a few
belly-ups), but once you get into the rhythm of the
maintenance and care, you'll have a thriving
underwater world at your fingertips.
Note: This 2torial covers how to create a
freshwater aquarium. If you're interested in
keeping saltwater fish, contact your local pet
store to get the necessary information and
materials.
Choose your fish
Different fish require different environments. To
get an idea of the equipment you'll need, go to the pet or aquarium
store and check out the fish selection. Consider not just looks,
but the amount of care needed, temperament (aggressive or predatory
fish shouldn't be put in with meek ones), the necessary tank size
and, probably the most important, water type. Water type includes
temperature, hard vs. soft, pH levels and so forth. If you're buying
several types of fish, always check with the store manager to be
sure they're compatible.
Also, think about what kind of aquarium
environment you want. Some people like a natural
setting for their fish, with real, even indigenous
plants and gravel. Others go the blue gravel and
plastic plant route. If you want real plants, make
sure they won't harm the particular type of fish
you've chosen.
Choose your aquarium
Most fish or pet stores sell an "all-in-one"
aquarium package, but don't be so quickly swayed by
the convenience. You should know what you'll need
first. What size tank is best for your fish? What
type of filtration system? You may want to mix and
match. Start with the basics: the tank and the
stand.
A tank. Find one that's at least 10
gallons (38 liters), which is about one by two
feet. With anything smaller, it'll be difficult to
keep the water chemistry stable, and your fish will
be too crowded. Avoid vertical-shaped tanks,
particularly if you want live plants (light has
trouble reaching the bottom). Horizontal tanks are
easier to clean and provide more living room for
your fish, since fish generally move side to side,
not up and down.
You also have a choice between glass or acrylic,
and both have pros and cons. Glass is usually
cheaper, sturdier and harder to scratch, but it can
crack and it's very heavy. Acrylic is lighter and
has less light distortion, but it scratches easy
and needs special supports at the tank's base.
An aquarium hood. This serves two
functions: it covers the tank, preventing water
evaporation and frisky fish from trying to make a
break for it, and it holds the aquarium's
fluorescent lights. The strength of the lights will
depend on whether or not you want to grow plants
(which usually need strong light). Some fish don't
like it too bright, so again, choose carefully.
An aquarium stand. A stand can be a table, a bookcase, an
entertainment center or the like. Just remember it will have to
support a fair amount of weight (a 10-gallon tank filled with water
and gravel is about 100 pounds) and must be level.
Choose your equipment
You might be a little overwhelmed by all the
equipment available for your fish. Who knew they'd
need so much? But fear not--here's a list of what
you should have to get started:

1. A filter. There are three basic types
of filtration: mechanical, biological and chemical.
Most aquarium pros prefer a filter that combines a
mechanical function--or a "pre-filter"--to trap
particles like plant debris and uneaten food, and a
biological function, which breaks down the
dangerous ammonia that comes from fish waste.
Chemical filtration is used for foreign chemical
toxins, like soap or perfume. If you're careful
about what goes into your tank, you shouldn't need
this type (although many filters come with chemical
filtration included).
What you need may depend on the size of your tank, and the type
and amount of fish you want. Other considerations are the filter's
noise level, maintenance and, of course, cost.
2. A heater. The vast majority of
aquarium fish are tropical, so chances are you'll
need a heater to keep the temperature
steady--usually about 78F (25.5C). There are many
types and the cost can vary. Some heaters are
completely submersible, while others submerge
partially, with the controls on the outside of the
tank.
3. Gravel. The general rule of thumb is
one pound of gravel for every gallon of water. The
wrong type of gravel can change the water content
and harm the fish, so buy it at the pet or aquarium
store and make sure it's for freshwater use.
4. Plants and rocks. These are not just
for decoration. Fish need markers to remember their
territory and places to hide from the more
aggressive fish. Just make sure whatever you choose
is safe. Synthetic decorations should be free of
any chemicals (soap, perfume, paint and so on) and
well cleaned.
5. A thermometer. This lets you verify
that your tank is at the right temperature. You can
buy models that attach to the outside of the tank
or that are submersible.
6. A siphoning tube and bucket. You'll
use these to fill the tank and change the water
(about 10 to 20 percent of the water should be
changed every month). Always make sure the bucket
is clean; it's a good idea to use it only for the
aquarium.
7. A fish net. When you change the water,
you'll need to move your fish temporarily into
another container. An aquarium net makes that
process a lot easier.
8. Water testing and purification kits.
Technically, you could keep a healthy aquarium
without any water tests or purifiers, but it's
always good to be safe, especially if you use
municipal tap water (which usually contains
chlorine or chloramine--toxic to fish). The kits
are usually cheap and simple to use.
Optional materials. You mean there's more? Well, only for
looks. Feel free to get more decorations--driftwood looks
particularly nice (boil it briefly before putting it in the
tank). Air pumps provide that bubble aesthetic and can be
camouflaged by rocks or the classic treasure chest. (Note:
due to innovations in filters, air pumps are not necessary
for a healthy tank.) And while a sponge with a plastic scouring
pad is usually enough to clean the tank, special tools such
as razorblade scrapers or magnetic cleaners are available.
Note: some dish sponges contain chemicals that can
be harmful or deadly to fish. When cleaning your aquarium,
you should only use sponges made specifically for that purpose.
Set up the aquarium
Okay, time to turn this pile of strange
equipment into a fully functioning ecosystem. The
steps are as follows:
- Choose a good location to set up your
aquarium. The area shouldn't be in direct
sunlight (due to algae growth) or near loud
noises, like a stereo (fish can be
sound-sensitive). An outlet should be nearby for
the filter, lights and other electric equipment.
Remember, once it's filled, it'll be very
difficult to move.
- Position the tank on the aquarium stand.
Check the stand's surface with a level (a filled
tank can crack or even break if it's uneven).
- Rinse the gravel in warm water, then
distribute it over the tank's bottom. Remember
the ratio: one pound to one gallon. (Note: If
you're using an under-gravel filter, install the
filter first, then the gravel.)
- Using the bucket, fill the tank with room
temperature water until it's about two-thirds
full.
- Add the plants, rocks and decorations. Keep
in mind that caves and recesses make for more
interesting viewing and provide shelter for
timid fish.
- Put in the heater and air pump (if needed),
following the manufacturer's directions.
- Fill the tank the rest of the way and add
the filter. Again, follow the manufacturer's
directions.
- Attach the thermometer, secure the hood,
plug everything in, and make sure it's all
running properly. The lights don't have to be on
all the time, but other components do,
especially the filter, so make sure there's no
danger of an accidental unplugging.
You can either test the water chemistry now or
wait to see what kind of effect the filter has. If
you want to wait, let the filter run 24 hours, then
make the necessary tests and add purifiers as
needed.
Once the water checks out both chemically and
temperature-wise (which depends on the tank size
and the type of water and filter used), your
aquarium will be ready for its new inhabitants.
Add your fish
When you go back to the pet or aquarium store to
pick up your fish (and don't forget their food!),
buy fewer than your tank can support. Even with
good filtration, too many fish in a newly prepared
tank can overload it with toxic bacteria and
ammonia. The tank needs time to adapt, so pace
yourself.
The store will put your fish in a
plastic bag for transport. If the trip from the
store to your home is more than half an hour, leave
some oxygen in the bag for safety. When you get
home, make sure the bag's water temperature matches
the tank's to avoid shocking the fish. You can
float the bag in the tank water to even the
temperature, or open the bag and add small amounts
of tank water to it. When the water is ready, open
the bag gently so the top is underwater and the
fish can simply swim into the tank (don't pour them
in). You also won't need to feed them their first
day, because they'll probably be too stressed to
eat.
Even if the fish are swimming and the equipment
is running, keep a close watch on everything. Check
the equipment regularly (especially the filter),
keep an eye out for any signs of fish stress
(gasping for breath, loss of appetite, fungus or
parasites), and don't forget the monthly water
change. As your fish settle in, you'll become
familiar with their individual and species habits,
get to know their likes and dislikes, and be an
integral part of their underwater world.
-end-
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