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WILL YOU REM EM BER?The average fluorescent tube loses approximately50% of i t s l ight output qual i ty within one year.Changing your aquarium bulb regularly helps provideoptimum living conditions for the f ish and plant l i fe.
Att ached to every GLO bulb package, youl l f ind aconvenient sticker which you can fi l l in with a date
(anyw here f rom 8 to 1 2 m onths f rom t he date of pur-chase) and pla ce it in a prom inent location t o rem indyou of w hen it s t im e t o change your bulb.
Or, i f yo u p re f er, sig n up online atwww.hagen.com/usa and wel l send youa reminder when it s t ime.
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A strong, vibrant l ight is essential to the grow th and
health of your aquarium .
Fo r o p t i m u m m a i n t e n a n ce o f p l a n t s a n d f i sh , i t i s
recom mended to l ight the aquar ium for a t least t w elve
hours each day, w ithout interference. Certain species
ma y have specific lighting requirem ent s w hich ma y alter
aqua rium lighting p at te rns and schedules.
Fluorescent bulbs lose ap proximat ely 50 % of t heir
l ight ing effect iveness w ithin one year, result ing in a
distort ed spectrum, ineff icient plant and coral grow th
and less int ense fish colo rs.
M ost bulbs w ill emit l ight for a span of 6,00 0 - 1 0,00 0hours how ever, their effect iveness begins to w ear of f
aft er approximat ely 5,00 0 hours of usage* .
Replacing bulbs every 8 -12 m ont hs is recom m ende d
depending on dai ly usage of bulbs* . Timely bulbreplacem ent ensures the re is no inte rference in t he
biorhythm of plant s, and avo ids unnecessary adapt at ion
problems for plants.
Glo f luorescent bulbs provide rea l l ighting fo r eve ry
aquarium need. Com binations of bulbs help to
highlight a nd accent uat e f ish and plant colors, w hile
simulat ing plant g row th a nd providing a visually
pleasing aquarium .
* Based on 12-16 hou rs of u sage per day.
T H E FA C T SO F L I G H T
1
2
3
4
5
6
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SUN-GLO General purpose aquarium light ing
LIFE-GLO 2 High-noon spectrum for aquariums, terrar iums & vivariums
FLORA-GLO Optimizes plant grow th
AQUA-GLO Intensif ies f ish colors and prom otes plant grow th
POWER-GLO Promot es coral, invertebrate and plant grow th
M ARINE-GLO Prom otes marine reef l i fe
F L U O R E S C E N T A Q U A R I U M B U L B S
ICONK
EY
PLANTEDAQUARIUMS
INVERTEBRATES CORALS SALT WATERAQUARIUMS
TERRARIUM S FRESHW ATERAQUARIUMS
VIVARIUMS
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F R E S H W A T E RA Q U A R I U M S
Light ing requirem ent s:
Appropriate lighting for your aquarium is essential to create
and maintain a healthy aquatic environment. M any factors
influence the type and quantity of light required:
Size of aquarium
Fish species and o the r inhabitant s
Plant l i fe
Fi lter media
Aesthet ics
To achieve appropriate lighting, a general rule is to have a
range of 1 to 3 watts of light per gallon of water in your
aquarium, subtracting 10-15% of the tank volume to account
for volume of materials inside the tank.
Adequate lighting range = (1 to 3 watts/gallon) (10% -15%
of tank volume)
Light ing Durat ion:
For optimum maintenance of plants and fish, it is recommended
to light the aquarium for at least twelve hours each day,
without interference. Certain species may have specific lighting
requirements which may alter aquarium lighting patterns
and schedules.
G lo fluorescent bulbs provide real lighting for every aquarium
need. Combinations of bulbs will accentuate fish and plant
colors, while stimulating plant growth, all the while providing a
visually pleasing aquarium.
L I G H T I N G F A C T S
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G O L D F I S H A Q U A R I U M S
Light ing requirem ent s:
Warmer color tones to highlight
red and orange pigments
Cooler co lor tones to accentuate
w hite, blue and bronze colors
Light combinat ions to highlight
plastic plants
G oldfish are present in many
aquariums. They are difficult to
combine with live plants because
they tend to uproot and consume
them. Plastic plants are a common
decorative choice, available in
many bright colors. G oldfish are
available in a wide variety of colors
and body shapes. Lighting require-ments can be quite varied and
aesthetic considerations play the
determining role in bulb selection.
Light quantity can vary from
1 to 2 Watts per gallon.
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AQUA-GLO
Ideal for single bulb canopy.Provides overall color enhancement.
AQUA-GLO
POWER-GLO
Excel lent choice to highl ight bot hred and blue colors.
POWER-GLO
M ARINE-GLO
Creates dramatic effects withcertain plastic plants and coolerpigments.
F R E S H W A T E RA Q U A R I U M S
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N A T U R A L B I O T O P E A Q U A R I U M S
Light ing requirem ent s:
Bright , neut ra l light to simula te
nat ural l ight conditions
H ig h lig ht o ut p ut t o p ro m ot e
plant growth
H ig h co lo r t e m p era t ure w it h
plant growt h promot ing
wavelengths
Natural biotope aquariums attempt
to recreate a natural aquatic
ecosystem by combining a limited
number of fish and plant species,
with structure found within that
specific environment. A high color
temperature light is suggested for
this type of aquarium, along with
CO 2 injection and attention to
water chemistry.
The quantity of light required for
these aquariums is from 1 to 3Watts per gallon.
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LIFE-GLO 2
Ideal for asingle-bulb canopy. Accentuat esnatural presentat ion whi le st imu-lat ing r igorous plant grow th.
LIFE-GLO 2
AQUA-GLO
Reddish-w hi te l ight th at p romotesp lant grow th.
LIFE-GLO 2
POWER-GLO
High l ight output wi th a highcolor temperature that producescool, w hi te l ight . Flora-Glo canbe combined to enhance back-ground grow th.
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C I C H L I D A Q U A R I U M S
The quantity of light for cichlid
aquariums may vary between
1 to 3 Watts per gallon, depending
on plant and cichlid species.
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POWER-GLO
Beauti ful color presentat ion com-bined w i th spectral output t hatsupports p lant g row th.
LIFE-GLO 2
M ARINE-GLO
Accentuat es bluish t ones, creatinga cool overall appearance.
LIFE-GLO 2
M ARINE-GLO
POWER-GLO
Pow erful ful l spectrum l ight ing,highl ight ing f ish colors and
st imulat ing rapid plant grow th.
Light ing requirem ent s:
Light conta in ing a p lant
growth spectrum
Warm to light -blue light fo r
Sout h Am erican cichlids
Bright, cool light for African cichlids
Beautifully planted aquariums are
common with cichlids such as
Angelfish, Discus, and Apistogramma.
Plants such as various species of
Echinodorus, Hygrophila, Vallisneriaand Cryptocoryne tolerate the
soft, warm, acidic water conditions
that these cichlids require.
A frican cichlids from Lakes M alawi
and Tanganyika are kept in a hard
water environment, which limits
the selection of plants that will tol-
erate such conditions. Beautifully
planted aquariums are possible by
combining varieties of Vallisneria,
A nubias, and M icrosorium, with
species of Cyprochromis,
Julidochromis and Lamprologus.
M alawi cichlids, with their strik ing
colors, are stunning when lit with
Power-G lo or M arine-G lo.
The quantity of light for cichlid
aquariums may vary between
1 to 3 Watts per gallon, depending
on plant and cichlid species.
F R E S H W A T E RA Q U A R I U M S
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P L A N T E D A Q U A R I U M S
Light ing requirem ent s:
Simula ted na tura l daylight
Hig h lig ht o ut put
Light conta in ing a p lant
growth spectrum
Planted aquariums are growing inpopularity due to the increasing
trend of captivating lush aquatic
gardens. They are easily achieved
with the vast varieties of aquatic
plants and support equipment
available. Combinations of G lo
fluorescent bulbs will produce a
complete spectral output that
efficiently stimulates plant growth.
A lthough fish are not the main
emphasis, planted aquariums
serve to highlight their beauty
and natural behavior.
The quantity of light for faster-
growing plant species should
approach a minimum of 3 Watts
per gallon. As wattage is increased,
more attention to fertilization and
CO 2 levels is recommended.
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LIFE-GLO 2
Ideal for single bulb canopy.Accentuates green coloration inplants w i th a high outpu t a id ingrapid growing species.
POWER-GLO
For dense plant grow th, provid ingcool l ight ing.
SUN-GLO
AQUA-GLO
Promotes plant grow th, provid inga broad spectrum .
POWER-GLO
FLORA-GLO
Eff icient combination to st imulatedesired growth in foreground andbackground plants.
SUN-GLO
POWER-GLO
LIFE-GLO 2
Ideal combination providing highoutput and balanced spectrum.
AQUA-GLO
FLORA-GLO
Intensify fish colors while stimu-lat ing p lant d ensity and vert ical
g row th .
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S A L T W A T E RA Q U A R I U M S
How t o evaluat e and select l ight ing needs
M arine aquariums, which are intended for the keeping of
photosynthetic corals and invertebrates, require serious
consideration and understanding when the issue of lighting is
addressed. Q uality, intense, full-spectrum lighting is essential.
This can be achieved by combining multiple Fluorescent
G LO Bulbs.
The chlorophyll found in various algae, invertebrates and
corals require exposure to specific wavelengths of light for
proper function. These chlorophyll are essential for the basic
survival and growth of many species of coral, invertebrates
and algae commonly kept in marine aquariums. In general, it
is the blue spectrum that is important for various chlorophyll
to function.
Light wavelength absorption by water is another critical factorfor marine aquarium lighting. Blue light, which represents the
dominant wavelength in the aquatic environment, penetrates
to depths of hundreds of feet. Red light is almost totally
absorbed by water within the first 16 feet. Sunlight present
over tropical reefs is extremely intense (high lux values). In
comparison to calm waters, waves and turbulent conditions
can reduce light penetration due to reflection.
L I G H T I N G F A C T S
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S A L T W A T E RA Q U A R I U M S
M A R I N E F I S H A Q U A R I U M S
Light ing requirem ent s:
Bright coo l light
H igher b lue spect rum
Red spectrum for certa in f ish
(red , ye llow , orange)
H ig h co lo r t em p e ra t ure
Not all marine aquariums contain
corals and can include a mixture of
invertebrates and fish. In the case
of fish only, the aesthetics of light-
ing should include a mixture of 2
bulbs to accentuate a variety of
pigments found in many common-
ly kept marine fish.
2 Watts per gallon is adequate for
this type of aquarium.
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POWER-GLO
Provides correct spectral q ualit iesrequired by fish and invertebrates.
AQUA-GLO
POWER-GLO
Effective combination for accentu-ating a wide variety of colors.
AQUA-GLO
POWER-GLO
M ARINE-GLO
Highlights a variety of fish colorsand supports invertebrates.
POWER-GLO
LIFE-GLO 2
M ARINE-GLO
Excel lent com bination for support -ing macro algae, invertebratesand f ish.
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M A R I N E R E E F A Q U A R I U M S
Light ing requirem ent s:
H igh light in tensity
H igher blue spect rum H igher co lor t empera ture
Reef systems can vary in content.
A quariums containing predomi-
nantly soft corals and invertebrates
can function effectively with lower
light levels than systems including
stony corals. M ushroom corals
frequently open effectively in lower
light conditions. Placing them at
the bottom of reef structures is
generally recommended. Certain
species of green marine algae are
desirable in marine aquariums.
They contain pigments very similar
to other plants and are very attrac-
tively displayed with Life-G lo 2 bulbs.
Systems containing varieties of
hard corals require intense lightingwith much emphasis on higher
color temperatures. A minimum of
4 Watts per gallon is recommended
for this type of aquarium.
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POWER-GLO
M ARINE-GLO
Cool l ight ing effect. Effect ivecombinat ion for reef aquarium s.
POWER-GLO
LIFE-GLO 2
M ARINE-GLO
Intense output with cool tempera-ture. Ful l spectral output .
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L I G H T I N G T I P S
1. M ost p lants require approximately 12 hours per day of l ight f rom a
fluorescent fixture.
2. Sudden changes in light m ay stress f ish. When turning canopy lights
on or off it is benef icial to have room lights on for at least 3 0 m inutes.
3 . Fish fed during the day should be a llow ed 30 minutes of l ight
before and aft er feeding.
4. Use t imers w hen possible. Plants and f ish wi l l respond better to
consiste nt l ighting period s.5. Plants and f ish wi l l adapt to gradual l ight changes. When changing
bulbs in a multiple bulb installation, stagge r them 1 t o 2 w eeks apart.
6 . A remote bal last should be mounted in an area w here there is
adequa te ve nti lation to ef ficiently dissipate hea t.
7. Electr ical w iring leading to the bal last should alw ays incorporate
a drip loop.
8. Consider a GFI (Ground Faul t Interrupter) out let as an inexpensiveinsurance t o a void unplea sant circum sta nces surrounding a ny
potential electrical mishaps.
M A X I M I Z I N G T H E E F F I C I E N C YO F F L U O R E S C E N T B U L B S
1. Keep any glass betw een bulb and w ater surface f ree of
algae and m ineral depo sits.
2 . Clean the bulb surface w eekly (w i th damp soft sponge)
if directly exposed to w at er surface.
3. I f bulbs or lenses accumulate m ineral deposits, clean
w ith a m ild acid.
4 . In situations requiring higher light intensities, it is recommended
to l ine f luorescent f ixtures w ith a proper l ight reflecto r.
5 . Replace fluorescent tubes annually, for maximum ef ficiency.
6. M ake note of instal lat ion date of f luorescent bulbs.
7. Com bine dif ferent tubes for certain specialty applicat ions,
to maximize spectral representation.
8. Use electronic ballast(s) when possible, for the follow ing reasons:
9. Avoid turning lights on and off unnecessarily.
Higher f requency operat ion , resul t ing in super ior bulb
perfo rmance and visual p resentat ion
Higher pow er facto r, greater or equal to 0.96
Longer bal last l i fe
Increases bu lb l i f e
Greater f lex ib ilit y, t rig gers all bulb diameters T-8, T-10, & T-12
Great er energy eff iciency
Less heat p roduct ion w i l l not af fect aquar ium t emperatu re
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Com plet e elect rical
cont rol of lights
Excellent fo r aquarium sand ot her lighting
requirements
Easily concea led
Bot h m odels available
for 20W, 30W and 40W
For use w ith T8 (1"/25.5mm ),
T10 (11/4" / 32.5m m )
and T12 (11/2" / 38m m )
diamet er tubes
GLOM AT 1Fluorescent
Lighting
Cont rol Unit
GLOM AT 2Elect ronic Double
Fluorescent Light ingCont rol Unit
L I G H T I N G A C C E S S O R I E S