Paintball Tanks - CO2 Vs HPA

Okay, so you bought your first paintball gun. Now$15 up to $35 but once you buy it - you own it and
what? In order for you to use your new paintballcan re-fill it as many times as you need. Output
marker you will need a few other items: approvedpressure on most CO2 tanks is approximately 800psi.
safety goggles, paintballs, and a tank. Here is whereHPA Tanks (3000-4500psi):
many new players get confused and may make theHPA stands for High Pressure Air. This is the newest
wrong decision. Which paintball tank should I buy andand best source of power for most paintball guns that
which one is best for my paintball marker?are equipped to use this type of air. As with CO2 and
In general, there are three main power sources forany other gas always consult your owner's manual for
paintball guns:proper use of your paintball gun. HPA is basically
1) CO2 cartridges (disposable)compressed air. Yes, air. Just like the air you breathe
2) CO2 tanks (re-usable)every day. Also, HPA can mean Nitrogen. When high
3) HPA tanks (re-usable)pressure paintball tanks were first introduced and even
First, let's go over some "lingo" that you may need totoday, many are filled with compressed Nitrogen.
know....Although the recommended source of gas in the HPA
CO2 - carbon dioxide gastanks is compressed air, compressed nitrogen will
HPA - high pressure air (compressed air orwork in most cases.
compressed nitrogen)psi - pressure measured inHPA tanks offer a cleaner source of air at a much
pounds per square inchci or cu - cubic inch whenhigher pressure. HPA air is not affected by temp as
referred to the size of a tank and volume it can holdozmuch as a CO2 tank. HPA air is much more
- ounce, used to denote the size of paintball tanks andconsistent and will provide very little change from shot
weight they can hold (9oz, 12oz, 20oz, etc...)to shot. Virtually every shot thru your paintball gun with
Each type has its own advantages andcompressed air will be identical. HPA is commonly
disadvantages, different costs, and applications. Hereused in many tournament style paintball guns such as
we will try to explain the major differences and offerthe Invert Mini, DP G3, Dye DM series, Angels,
some insight on which one might be best for you.AutoMags, AutoCockers, and the likewise. HPA can
Disposable CO2 Cartridges (12 gram):also be used in many other types of guns as well,
Very few paintball guns use the smaller 12 gramsuch as: most Tippmann and most Kingman guns.
cartridges, however, they are still found on someAgain, please consult your owner's manual for the
models. Typically the 12 gram cartridges are a singleexact needs of your specific paintball gun.
use design and the cartridge is disposed of when theOne important note about HPA - different paintball
gas is depleted. Most 12g cartridges offer the user onlyguns require different amounts of pressure to operate
16-30 shots, depending on the type of paintball gun,properly and different HPA tanks can output the
before they are empty. There are different sizes ofpressure inside differently. Typically there are high
the disposable cartridges other than the 12g version,output HPA tanks and low output HPA tanks. The high
but they are less common and maybe harder to find.output tanks are approx 800-850psi, while the low
The use of a disposable cartridge may require aoutput tanks can range from 200-450psi. Some
special adaptor to be added to your paintball gun aspaintball markers require the full 800psi to operate
many of them do not simply "screw" directly to thecorrectly, while other guns need only 200-300psi to
marker like the other types of tanks. The advantageoperate. Again, check your gun to see what is
of the disposable CO2 cartridges is their small size andrecommended. If your gun needs 800psi to operate
light weight. They are also very easy to carry. Theand you have a low output HPA tank then ... your gun
disadvantage is their low number of shots per use andwill not fire! HPA tanks are also available in different
the fact that they are not able to be re-filled and mustsizes. There are 3000psi tanks and 4500psi tanks. The
be disposed of when used. In the long run they arepsi rating (psi = amount of pressure in pounds per
also not cost effective when compared to the othersquare inch) of the tank does not indicate the output
types of paintball tanks.pressure but rather just the amount of pressure the
CO2 Tanks (9oz, 12oz, 20oz, etc...):tank can hold. Within each pressure rating there can
CO2 tanks are the most common form of supplyingbe many different sizes of tanks (45ci, 62ci, 68ci, 72ci,
gas to your paintball gun. CO2 is also one of the leastetc...). This rating determines the amount of gas, or
expensive and most readily available forms of gasvolume, the HPA tank can hold. The higher the volume,
power. CO2 tanks come in several different sizesthe more shots per tank you will get. Like with CO2
such as 7oz, 9oz, 12oz, 16oz, 20oz, and 24oz. Thetanks, HPA tanks are able to be re-filled at many
three most common sizes are the 9oz, 12oz, and 20ozpaintball shops and fields, however, HPA is not as
tanks. As a general rule of thumb the 9oz tank willcommon as CO2 and may or may not be available in
yield approximately 500-600 shots. The 12oz tank willall areas.
yield approximately 700-800 shots, and the 20oz tankThe cost to fill your HPA tank can range from $3.00 to
will offer around 1000-1200 shots.$10.00 depending on the shop, however, the equipment
The advantage to the CO2 tanks is the fact that canneeded to fill HPA tanks is very expensive and many
be re-filled at most paintball shops and fields and thesmaller paintball shops do not own the equipment - so
cost is usually between $4.00 to $7.00 for a fill. Whenbefore you buy an HPA tank make some phone calls
your tank runs out you simply take it to a paintball shopand see if you can get your HPA tank filled in your
and get it re-filled. The re-fill time is less than 1 minute.area. HPA tanks can range in price from $65 up to
The disadvantage of the CO2 tank is that the liquid$259 and can be made from aluminum, carbon fiber,
inside the tank can affect the performance of yourfiberglass, and/or other composite materials. If your
paintball gun in a negative way. If the tank gets too hotlocal shop cannot fill your HPA tank then you may be
the gas can escape thru a blow-out valve leaving youable to get a SCUBA tank at a dive shop and fill your
with any empty tank. If the tank gets too cold theHPA tank directly from the SCUBA tank. This method
inside pressure can drop and give you sub-parwill typically only offer a limited number of fills and only
performance or even freeze up the internalprovide 3000psi, however, if it is your only choice then
components of your gun. It is best to keep your CO2do some research. The cost of SCUBA tank is around
tanks around room temp - no more than about 75$200 and you will also have to buy a special fill station
degrees f. CO2 output pressure is typically aroundto transfer the air from the SCUBA tank to your HPA
800psi but can vary under different conditions and thustank. These fill stations range around $50 - $75
not every shot will be the same. Some shots withAll paintball tanks must be approved and tested every
CO2 can be "hotter" (higher velocity) while the nextso often for safety. Most tanks require a safety test
shot may be slower (lower velocity). This can be(hydro test) every 3 to 5 years. If your paintball tank is
caused by the change in pressure in the tank due tonew then you should not have to worry about a
the temp. As we all know, gas expands when heatedsafety test for some time, but if your tank is a few
and condenses when cooled.years old then it is best to have it checked by a
It is important to note that not all paintball guns can useprofessional before use. Safety First!
CO2 as a power source. Some of the newer, higherIn conclusion, there is no way to say that one tank is
end, tournament-style markers cannot use CO2 andbetter than another, however, your gun may require
require HPA for proper operation. Use of CO2 in theseone type and not the other. In most cases, HPA is a
types of paintball guns can damage the internalgreat source of power for most paintball guns if it is
components and may void the gun's warranty. Alwaysavailable in your area. HPA is typically more reliable
consult your owner's manual or the manufacturer'sand will offer cleaner operation - just be sure your
website for the correct information.paintball gun can use it and check the output pressure
As a general rule of thumb, CO2 is the most commonneeded by your gun to make sure you get the right
source of gas for paintball guns and the vast majoritytank. If HPA is not available or if your paintball gun
can use CO2 or HPA. For example, most Tippmanncannot use HPA then CO2 tanks are the next best
guns (like the 98, A5, and X7) as well as mostchoice. Not only are they the most common, they are
Kingman guns (like the Spyder series) can use CO2also much less expensive and much easier to get filled
and/or HPA both. CO2 tanks can range in price fromat your local paintball shop or field.