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Tips for Safe Use

Ultra is intended for use, and is most effective in clear water but 

can also be used to treat turbid, murky or cloudy water in an 

emergency. By doubling treatment time (treating the volume of 

water twice), Ultra can treat water that might be described as: 

“much closer to clear than opaque,” “obviously not clear,” 

“obviously cloudy,” “objects viewed through the water are visible 

but blurry,” or “as cloudy as weak lemonade.”

 If the water is less 

clear, filter it first with the 

Steripen® 

PreFilter, FitsAll Filter

® 

or other 

method for best UV purification results.

Ultra is not designed to treat volumes of water larger than one 

liter. If more than one liter needs treatment, the water should be 

divided into 

½

 liter and one liter volumes and treated 

separately.

When operating properly, 

the UV lamp will emit visible light as 

well as UV light. If the lamp is not emitting visible light, it is not 

functioning properly and should not be used until it has been 

repaired.

Agitation of water by stirring Ultra or rocking the container is 

necessary, as it promotes uniform purification.
Ultra is not intended to purify water above the surface of the 

water in the container, such as droplets on the sides of the 

container.
Ultra is not intended to purify surfaces of a drinking container, 

like the mouth of the bottle. Be certain that you always wipe the 

bottle’s mouth with a clean, dry cloth before drinking.
Ultra may be used in glass, plastic, ceramic or metal containers, 

as they all absorb or reflect UV light, thereby shielding the user 

from UV exposure.
Ultra is not intended for use by children.
Ultra is a high voltage device. Removal or tampering with the 

electronic circuit board or lamp assembly may cause injury, or 

damage.  Do not open, expose, modify or touch internal 

circuitry; doing so can lead to high voltage shock.
Do not attempt to bypass water sensor; it is an important safety 

feature.
As with other fluorescent-type lamps, Ultra contains a small 

amount of mercury. At the end of its life, please dispose of Ultra 

properly. For specific instsructions contact your local waste 

disposal organization.
Ultra is not intended to treat liquids other than water. Do not 

use in water with ice. Do not use in water above 120°F/49°C.
Do not use UV lamp as a light source.
Do not use near skin, eyes or insert into bodily orifices.
As with any other water treatment system, always have a 

backup method.
While carefully controlled microbiological testing of all Steripen 

products has been conducted, use of all Steripen products in 

the field may produce results that vary from our laboratory test 

data.
Do not use in any manner other than instructed in this User’s 

Guide.

Frequently Asked Questions

Get in touch! We are always happy to hear from you:

visit 

www.steripen.com

, email 

[email protected] 

or call

 

1-888-826-6234

.

Is it bad if I unplug Ultra before charging is 

complete?

 

No. You will not damage Ultra’s circuitry or memory 

by unplugging it before its charging cycle is 

complete.

How many treatments can I expect to get out of a 

fully charged battery? 

Around 50 full-liter treatments.

What happens when I’ve used Ultra 8,000 times?

 

Ultra will display the sad face and crossed-out bulb 

icon to indicate that your bulb has reached the end 

of its life.

Ultra’s bulb is shining a purple, rather than blue light 

- is it still working?

 

Yes. The visible light indicates that the bulb is 

working regardless of its color.

Can I take Ultra on a plane? 

Yes. Ultra and all Steripen products are allowed in 

carry-on bags, as well as checked luggage.

Does altitude affect Ultra’s ability to purify water?

 

No. Steripen technology and product design have 

been tested and used on Mount Everest for years.

Can I use Ultra to treat more than 1 liter at a time?

 

No, we do not recommend it. Ultra’s effectiveness is 

ONLY tested and certified for volumes up to 1 liter.

What about parasites like worms and their eggs? 

Does Ultra treat for them?

 

Due to animal testing restrictions, Ultra’s 

effectiveness against such parasites has not 

been certified. 

Care & Cleaning

While Ultra’s battery compartment is designed to be 

highly water-resistant, it is not water

proof. 

Avoid 

submerging Ultra’s USB end in water.

Make sure to dry Ultra after each use.

When not in use, Ultra should be kept in a safe place that 

is clean and dry. It should not be exposed to 

temperatures above 140°F/60°C or below -4°F/-20°C.

To clean Ultra, wash with a soft cloth and a mild soap 

solution. Rinse soap from device and dry with a clean, 

soft cloth. 

When storing Ultra for prolonged periods, occassional 

recharging (every 3–6 months) will help maintain good 

battery health.

If Ultra’s bulb is cracked, chipped or damaged, don’t use 

it. Email us at [email protected]

Do not try to fix it 

yourself.

 

Steripen®

 technology is patented in the USA with further U.S. patents 

pending and patents pending worldwide. 

Steripen®

 is a registered 

trademark of Katadyn North America, Inc. U.S. Patent Numbers 

5,900,212; 6,110,424; 6,579,495; and 8,362,432.

Compliance testing of Steripen Ultra for the CE mark and BV logo 

was successfully completed by Bureau Veritas.

Conforms to UL Std 61010-1 

Certified to CSA Std C22.2 No. 61010-1

Water Quality Association: 

Steripen®

 tested and 

Gold Seal certified by 

WQA against U.S. EPA Microbiological Water 

Purifier Standard.

Patented & Certified

Directions for Use 40 C.F.R. §156.10(i)(2)
It is a violation of Federal law to use this product in a manner inconsistent 

with its labeling.40 C.F.R. §156.10(i)(2)(ii)

Steripen® 

exceeds U.S. EPA Guide Standard and Protocol for Testing 

Microbiological Water Purifiers, destroying over 99.9999% of bacteria, 99.99% 

of viruses, and 99.9% of protozoa when used as directed. 

Steripen® 

is not a 

sterilizer.
3-year warranty for any manufacturing defect. For product registration and 

complete warranty information, please visit www.steripen.com/warranty or 

contact your local distributor.
While carefully controlled microbiological testing of Ultra has been 

conducted, use in the field may produce results that vary from our laboratory 

test data.
This device complies with Part 15 of the FCC Rules. 

Operation is subject to the following two conditions: 

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference 

that may cause undesired operation.
CAN ICES-3(B)/NMB-3(B)

NOTE: This equipment has been tested and found to comply with the limits 

for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits 

are designed to provide reasonable protection against harmful interference 

in a residential installation. This equipment generates, uses and can radiate 

radio frequency energy and, if not installed and used in accordance with the 

instructions, may cause harmful interference to radio communications. 

However, there is no guarantee that interference will not occur in a particular 

installation. 

If this equipment does cause harmful interference to radio or television 

reception, which can be determined by turning the equipment off and on, 

the user is encouraged to try to correct the interference by one 

or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to 

which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.
Warning: Changes or modifications to this unit not expressly approved by the 

party responsible for compliance could void the user authority 

to operate the equipment under FCC rules.

The Fine Print

IQAA

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