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How CrazyCap Works

Oh, It Really Does

Real science. Revolutionary technology. Radical design.
Reliable craftsmanship.

Can light really change water?

Science says, Absolutely!

CrazyCap is the result of years of research, testing and development in partnership with leading labs around the world. The result? Independent tests prove it makes any debris-free water 100% safe to drink.

CrazyCap uses advanced deep UV LED to sterilize water. At 278nm, it sits at the ideal point on the 260nm-280nm light spectrum that carries maximum disinfecting ability.

As the charts below illustrate, both the Normal and Crazy modes result in a significant bacterial reduction in the contaminated water.

As the deep UV light enters the microbial cell, it destroys the nucleic acids. Without this active core, cells are no longer viable. Think of this like boiling water, an age-old technique which makes water safe for consumption.

100% LED

delivers maximum performance for its entire lifecycle

278nm DUV

outright destroys all pathogens and microorganisms

Mercury Free

design keeps toxic metals away from your drinking water

60/120 sec. modes

offer purification and sterilization at a button press

Rechargeable

cap means no batteries to lose or replace

500k use life

provides up to 8 million ounces of drinking water

Zero mercury!

Just another way we care for your well being.

Crazy easy:

2 taps. 60 seconds.
7 days of use.

  • Fill

    Fill your bottle with water from any debris-free source. As long as the water is transparent (so light can pass through it), you’re good to go.

  • Cap

    Screw on your CrazyCap and finger-tighten for a proper seal. CrazyCap fits our sport bottle perfectly, as well as most 9-, 12- and 17-ounce cola-style bottles.

  • Tap

    Gently double tap the touchpad for Normal Mode (for water from the tap and public fountains). For Crazy Mode (water from lakes, ponds, etc.) tap 5 times.

  • Drink

    Drink confidently once the sterilization is completed.

Self-Cleaning

CrazyCap turns on once every 4 hours, for 20 seconds each time, to sterilize the bottle by shining the deep UV light on the inside surface of the bottle. This will ensure that your bottle does not accumulate mold, bacteria, viruses, or any harmful pathogens.
Self-Cleaning

Normal Mode

(1 MINUTE)

Crazy Mode

(2 MINUTES)

Your questions, answered

Still need help? Contact us
WHAT SIZES OF BOTTLES DOES CRAZYCAP™ FIT?

CrazyCap fits 9oz, 12oz, and 17oz cola-style bottles. CrazyCap does not fit 25oz bottles. CrazyCap fits the 15oz bottle of S’ip by S’well. The size of the cap is 34mm in diameter (measured at the bottom where it seals the bottle neck).

With which brands is CrazyCap compatible?
How do I charge CrazyCap?
HOW LONG DOES THE BATTERY LAST?
WHAT IS ON-DEMAND STERILIZATION?
HOW DOES IT PURIFY WATER?
WHAT CONTAMINANTS ARE REMOVED BY CRAZYCAP?
IS CRAZYCAP EFFECTIVE FOR SURFACE STERILIZATION?
HOW DOES IT KEEP THE BOTTLE CLEAN?
WHERE CAN YOU USE CRAZYCAP BOTTLE?
DOES IT COMES WITH A BOTTLE?
WHAT IS THE WARRANTY ON THE CRAZYCAP?
HOW DO YOU ACTIVATE NORMAL MODE STERILIZATION?
HOW DO YOU ACTIVATE CRAZY MODE STERILIZATION?
HOW DO YOU CHECK CRAZYCAP'S BATTERY LIFE?
HOW TO REMOVE MOLDY ODOR FROM THE BOTTLE USING CRAZYCAP?
WHY DOES THE UV LIGHT NOT SEEM BRIGHT ENOUGH?