TROPICAL FISH AERATION EQUIPMENT 
WHY USE ARTIFICIAL AERATION ? WHY FILTER AQUARIUM WATER ? "Because the con¬ 
centration of fish and plant life in an Aquarium is much higher than is over found 
in the natural state. Therefore artificial aids arc accessary ';c maintain a sat - 
isfactory oxygen condition and to remove impurities caused Try decaying pZant 
matter and the natural elimination of the fish. The rise aq u--: rime mil avail him¬ 
self of all artificial aids possible in order to ac.f.v *e himself ' iat the water in 
the Aquarium mil always be acceptable to the most delicate fish" 
MARCO PRODUCTS 
MARCO PUMPS: 
A good pump maintains the oxygen condi¬ 
tion in the Aquarium and should operate 
smoothly and efficiently. It should be 
self-starting, non reversing and built 
to give years of service, Marco Mr 
Pumps meet all these specifications. 
MARCO FILTERS: 
A good filter removes all foreign matters 
and jurifles the water by eliminating 
all decoyed organic matter. It cl so 
neubi -Q ? ms the acidity M the water and 
all tnose things Marco Filters perform* 
MODEL "A" PUMP-$16.00 
For 12 releasors, 
MODEL "B" PUMP- 21.00 
For 24 releasorso 
MODEL "B-2" PUMP ---- 26.00 
For 23 roleasers, 
MAPCO 10" Outside Filter —- $10.00 
(Complete with carbon and 
cry-snnls.) 
MARCO 12" Outside Filter- 11.00 
(Com; lately sot up ) 
MARCO SUPPLIES: 
Deluxe Marco Valves- .85/ Ea 
(Stylo 1-5 inclusive) 
(Style 6 for l/8" pipe)--- *75/ " 
Marco complete 1C" releasors -.50/ " 
Marco Air lino filter ---- .85/ " 
Ball O’Mist Releasors -1.60 " 
MARCO WATER PIMP & FILTER $ 45.00 
(Circulates 300 Gallons per day) 
WHITE MIST AIR PUMP 
FILTER 6 AUXILIARY EQUIPMENT 
A ncur pump that every Fish Fancier can 
new afford.’ The WHITE MIST PUMP is an 
extremely simple end long-lived mochan - 
ism, and thoroughly guaranteed. Its 
working principle briefly, is as follows: 
A "U" shopped sfcecl bar, vibrated by an¬ 
cle ctro-magnet works a sturdy little 
bellows. The bar is tuned to synchronize 
with tho vibrations of tho alternating 
current. Tho puraping impulses are so 
rapid that the air flows from tho out - 
let tube in a smooth, luxurious stream • 
It is absolutely quiet, and requires no . 
oiling. Costs only but ,06/ yor month to 
operate and docs not interfere with the 
radio. Aerates from 1-8 Aquariums, 
and does not interfere with vour radio. 
THE PRICE -$ 7.50 
GIASS-TOPPED MODEL 9.50 
"Forshaw" All Celluloid Filter 
"Fiy g.ld" 10" Filter - 
Filter supplies: 
Glass woo 1 l/2 Oz -- 
2 LP burble Chips 
2 LI Charcoal 
P.our id -Stone * 0 1 e b s er 
Junic v Ball O’Mist 
Deep- La Diver (chrome) 
Deep-Sea Diver (china ) 
Zenx> Valves 
"T ‘ and Cross pieces -- — 
C1amps 
1/8” Rubber tubing (red) per Ft 
6 Foot 
1/8" Celluloid " 
1/4" " " 
3/8" 
oJL 
Mf 
ol 
Mr 
t! 
It 
per Ft 
" tt tt 
t! 
tt 
4.50 
5.55 
.15 
.15 
C i • u 
c5o 
1.00 
1,75 
.85 
. 65 
■ . 25 
« 25 
,05 
*25 
.10 
• 2 j 
1 25 
L89248 
AIR PUMPS AUXILIARY EQUIPMENTS 
FILTERS 
