Basic Freshwater Aquarium Principles; Filters, Heaters, Bio-cycling, Live Plants, Feeding, Cleaning and Chemistry

AQUARIUM:much more toxic NH3 and the aerobic bacteria
Start with as large an aquarium as you canneeded for nitrite consumption will be sparse.
afford. There is a very BASIC priciple (this onlyFor more about th nitrogen cycling, see this article:
applies to beginners), that is to have 1-2 inches ofAQUARIUM NITROGEN CYCLE
NARROW bodied fish per FILTERED aquariumLIVE PLANTS:
gallon. Goldfish are dirty and fatter, so I wouldLive plants are desirable in my opinion, but many
triple this with them (3"). This also only applies toartificial plants can look quite realistic when
a standard rectangular aquarium.properly arranged or used in conjunction with live
Obviously longer fish need more tank width andplants. For a beginner live plants are more difficult,
length. I would decrease the amount of fishbut not a lot.
proportional to the gallons in a tall aquarium orThe benefits of live plants are they are great at
hexagon aquarium.nitrate removal and keep a natural balance to the
Remember, many fish purchased can grow muchaquarium, removing CO2 and adding oxygen (only
larger than your original purchase size (ex:during daylight). Hornwort is an excellent plant for
goldfish), so keep this in mind too.nitrate removal (even ammonia removal), and is
FILTERS:relatively easy to grow. Banana plants (when
I always recommend two filters minimum peravailable) are also a very easy plant.
aquarium for redundancy and for improvedHere is a list of "easy" beginner plants:
biological (denitrifying) filtration. For a smallCompacta swords, hornwort, Red wendtii, spiral
aquarium, a combination of a hang on the backvalis, dwarf subulata, Hygro, Java fern regular or
and a sponge filter. Or a sponge filter and anlace.
internal power filter. You want to make sure andBe careful with many fish that will "mow down"
rinse your sponge or cartridge out in usedyour plants such as: Silver Dollars, most African
aquarium water to maintain your beneficialcichlids, and even goldfish.
bacteria for bio filtration.For healthy plants I suggest a substrate of #00
Other filters of note include canister, wet/dry,sand mixed with laterite about 3-5 cm deep with
under gravel, and fluidized bed.a layer of #3 gravel on top about 2 cm deep.
There are four types of filtration:This combination works well for plant roots, ease
Biological; the removal of nitrogenous wasteof vacuuming the top layer ONLY (where plant
(ammonia, ECT), which is the most importantroots are), and for better bio filtration. You can
type.substitute laterite with a sandy top soil (although
Mechanical; the removal of larger debris (organicusually not as good a source of iron), by preparing
and inorganic) before it can go through thethe soil thus; Gather sandy top soil, add water
nitrogen cycle (organic)with a 10/1 bleach solution, mix for a couple of
Chemical; The removal of chemical contaminationminutes, then rinse (with a de-chlorinator for first
via carbon, zeolite or many other products. Thisrinse) until the water runs relatively clear. The
becomes less important in a healthy, establishedsand that is left is what you mix with your plant
aquarium.roots.
Germacidal; The use of UVC or ozone to killFEEDING:
disease pathogens and control the RedoxI recommend feeding high quality fish and plant
potential.based foods. Quality ingredients include: spirulina,
HEATER:fish meal, FD Brine Shrimp, shrimp meal, Vitamin C
Most tropical fish do well at a temperature& E, lobster shell.
between 76 and 80 degrees Fahrenheit. (DiscusFish cannot digest proteins from beef well, and
prefer warmer).fish get most their energy requirements from
Goldfish do not need a heater.fats. Some quality foods include: Omega, Spirulina
I recommend 25 watts for every 10 degrees of20, Ocean Nutrition, Hikari, Sanyu.
ambient temperature you need to raise yourFeed you fish two to three times per day what
aquarium temperature. EX: If your home is 68they will consume in three minutes.
degrees and you have a 40 gallon aquarium, toFeeding foods high in poor quality proteins can
reach a temperature of 78 degrees you wouldincrease your nitrate levels, as an essential
need a 100 watt heater.ingredient in protein is nitrogen, and if unusable by
BIO-CYCLING:the fish, it is excreted, entering into the nitrogen
Your aquarium will not be at peak biologicalcycle.
filtration for 6 weeks (or more). To start yourCLEANING:
biological filtration, there are many cycling productsYou should try and have a schedule of changing
available, such "Cycle" by Hagen. My success with20% (or more) of your water every week. I
these products is mixed at best, it is very difficultrecommend using a gravel vacuum, you need not
for the aerobic bacteria that are needed forremove the fish while using a gravel vacuum.
cycling your aquarium to live in a sealed containerMake sure the water you add back in is the same
kept at room temperature, as they die verytemperature and ph, and has no chlorine or
quickly without oxygen.chloramines.
I prefer to add gravel and/or used filter spongeCHEMISTRY:
or cartridge from another aquarium.Keep your ammonia level at 0, your nitrite at 0,
This method of adding media is much faster (youyour nitrates below 20-30, and your KH above 80
still have to take it slow), and provides all theppm. Ph depends very much on the fish you are
necessary bacteria, the only negative is addingkeeping. Discus prefer under a ph below 7.0, while
disease pathogens to your aquarium, but I haveMbuna African cichlids prefer above 8.0
rarely encountered this problem.A very general ph of 7.2 -7.5 works for many
We used this method for our Aquariumcommunity fish. Crushed Coral and/or Wonder
Maintenance route for years and never lost a fishShells can help maintain a high pH when you desire
to Ammonia or nitrite poisoning.an aquarium with a higher pH, KH, & GH, especially
Another method is fishless cycling wherewhere tap or well water is very acidic (Wonder
un-scented ammonia is poured into the aquariumShells are much faster at dissolving to the desired
(3-5 drops per gallon pure ammonia) so as toKH and add electrolytes crushed coral does not!).
bring your ammonia level to 4-5 ppm. Then itFor a lower pH in aquariums where the tap water
takes about 3-8 weeks for the aquarium to cycle.used is very high (usually 7.8 or above), I have
Although this method is growing in popularity, I doused blends of RO (Reverse Osmosis) water and
not recommend it, not because it does not worktap water. The ratio varies with the tap water
(it does), but because human nature is to want topH, KH, & GH and the water conditions I want to
add fish sooner than the 3-8 weeks it takes forachieve. With Discus it can be as high as 75% RO.
this method.Then to maintain these conditions I use peat in
The method of adding media is much faster (youmy filters. Note that GH does not affect pH, and
still have to take it slow), and provides all themagnesium (a major ingredient of GH) is
necessary bacteria, the only negative is addingimportant to fish metabolism. Also note that
disease pathogens to your aquarium, but I havecalcium which is the main factor in KH (which does
rarely encountered this problem.affect pH!) is also important for fish metabolism
Cycling is what is referred to as the Nitrogenand fish health and healing. With the above
cycle. Waste (nitrogenous) from the fish is brokenmethod of using RO (or DI) water in a blend with
down first from ammonia (NH3, the most toxic)tap water and peat, I have still been able to
to nitrites (NO2, less toxic) to nitrates (NO3, leastmaintain a KH above 80 ppm (for proper calcium
toxic- but high amounts can stunt fish growth andabsorption), sometimes with additives such
lower disease resistance).Wonder Shells or Calcium Polygluconate.
At a pH of 6.5, NH3 (ammonia) converts to NH4CONCLUSION:
(ammonia) which is basically non-toxic to most fishThis is only very general information, there is
(many ammonia removing chemicals to a similarmuch more in depth articles about each of these
ion change, as they do NOT actually removesubjects and more available. But these are sound
ammonia). If you have plants in your aquariumprinciples to follow, based on 27+ years of
they will directly consume the ammonia (especiallyaquarium maintenance experience. As new and
hornwort), thus rendering the NO2 (nitrite) part ofbetter methods become available, I regularly
the nitrogen cycle null. The danger here is if yourupdate my information to reflect this.
pH climbs above 6.5 the ammonia can change to