420 Science is a modern online smoke shop offering a curated selection of high-quality cannabis accessories. Lead by a female CEO, we focus on a friendly, informative, and trustworthy shopping experience. We’ve been in business since 2004 which has given us a long time to figure out which products work best so you don’t have to. Whether you’re a seasoned consumer or just beginning to explore the benefits of consuming cannabis, we’re here to guide you to just the right products to enhance your session. 

We also provide custom printed stash jars for every type of brand from small dispensaries to large international names. We’re the only custom jar company that decorates our jars by hand in our warehouse in Austin, TX. Custom 420 Jars are a way to promote your name with a product customers love and use every day.

420 Science

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You know how momma said it was rude to stare? Well, even she wouldn’t take her eyes off this monster jar. One-and-a-quarter pounds of pot will have that effect on a person. And your dad? He’d be impressed by the tight seal created by our gasket lid. Say what you want about him, he appreciates good craftsmanship.

Specs:

Machine Blown Glass
Permanent Glass Decals
Holds: 1.25 lbs (567.0 g) | 2.5 gal (9.5 l)
Height: 13.0” (33.0 cm)
Width: 9.0” (22.9 cm)

2.5 Gallon Jar

Resin Preventer

There’s something about a water pipe coated in resin that just makes us feel dirty. That’s why we change our water every day. But that’s not all. Not by a long shot. We also use RezBlock. Just a few drops help prevent the resin from building up. It keeps our pieces clean, and our hits fresh and delicious.

More Info:

Up to 60 uses per bottle
Contains fruit extracts, vegetable glycerin, purified water, citric acid
Won't affect taste
Just a few drops needed with every water change

RezBlock - 15ml

We are proud to introduce our redesign of the Kargo water pipe! The Kargo 2 is everything we loved about the old piece along with some great additions like percs, a better fitting lid, and an overall innovative design that lets you have access to your juiciest nugs right where you need them. The smaller chamber and sidecar mouthpiece make this Kargo super stable and reliable. The Kargo 2 Hammerhead perc is a two-sided inline oriented showerhead that effortlessly pushes water and bubbles to the sides of the chamber. You can rip as hard as you want on the Hammer and it will not slow down. This Kargo 2 comes protected by a one year warranty, if it breaks we'll replace it*.

Specs:

Built-In 420 Jar
Hammerhead Perc
Height: 7"
Base Width: 4.5"
Takes 14mm male accessories
Protected by 1 year Kargo 2 Replacement Plan - details below
Protect your Kargo with the Kargo Replacement Plan.

You'll have peace of mind knowing that if your pipe breaks under normal usage or even exotic usage for that matter, you'll receive a replacement piece, shipped to you for free.

This plan protects your new Kargo against common breakages and unexpected accidents that can potentially ruin your entire life. Coverage is for one year, starting from the date of purchase.

Replacing your smashed to bits, daily driver will be a breeze. Just email us a picture of your broken pipe. We'll confirm your proof of purchase and send you a replacement right away.

That's it.

The Kargo Replacement Plan covers one-time replacement of your Kargo water pipe. Does not cover broken accessories including bowls, domes, nails, or downstems. One time replace meet only, replacement item is not covered by a new warranty. Photo of broken Kargo must be submitted to help@420science.com before a replacement can be shipped.

Contract Delivery: Physical Certificate
Benefits: One free replacement of an identical or similar product of equal or lesser value for up to 365 days from purchase date.
Coverage: One Year of Protection. Replacement includes all items that came packaged with the original pipe.
Length of Coverage: 1Year from date of purchase
Support: 888-420-5277 or help@420science.com

Warranty must be purchased at the same time as the product

Kargo from 420 Science / 1 Year Warranty

This Domeless drop in nail is all you need for nearly any 14, 18, or 19mm downstem. The concentric heat sinks serve two uses. They prevent heat from tansfering from the nail to your piece, and are sized to fit in different downstems. Best of all this nail requires no dome.

Solid Titanium
Height: 2" Dish Width: 0.75"
Fits 14,18,and 19mm downstems

Drop In Domeless Nail 14mm / 18mm

You wake up in a cold sweat. It was a nightmare, you say. Just a bad dream. Still, you get up to check. Relief washes over you when you open your XL Screw Top 420 Jar. That ounce of dank you got last week is still safe. It's still fresh. You climb back into bed with a smile and dream of tomorrow's session.

Specs:

Pressed Glass
Permanent Glass Decals
Screw-Top Plastic Lid w/ Airtight Seal
Holds: 1.0 oz (28 g) | 16 fl oz (473 ml)
Height: 4.0in (10.2 cm)
Width: 3.5in (8.9 cm)
Made in Asia
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

XL Clear Screw-Top Jar

Ok. You got us. We say it’s small, but there’s really nothing small about a hermetically-sealed jar that can hold up to 2 ounces of your choicest bud. The gasket seal locks in the freshness while the pewter medallion blasts out the awesome. And isn’t that what life is all about? Being awesome?

Specs:

Holds: 2 oz (56 g) | 32 fl oz (946 ml)
Height: 6.25” (15.9 cm)
Width: 4.0” (10.2 cm)
Latch Top Lid with Gasket Seal
Hand-crafted Pewter Medallion
Pressed Borosilicate Glass
Made in Italy
420 Jars Lifetime Warranty

Small Latch-Top Jar

You know that kid in high school chemistry who lived in the lab? We bet he uses borosilicate glass today. Why? Because he’s a scientist. He knows the importance of quality, clarity, and strength. You cheated off him in class, so cheat off him today. Grab a medium Latch Top Jar and keep your three ounces safe and stinky.

Specs:

Holds: 3 oz (85 g) | 48 fl oz (1.4 l)
Height: 8.75” (22.2 cm)
Width: 4.0” (10.2 cm)
Latch Top Lid with Gasket Seal
Hand-crafted Pewter Medallion
Pressed Borosilicate Glass
Made in Italy
420 Jars Lifetime Warranty

Medium Latch-Top Jar

It’s Only Cheating if the Teacher Catches You

UV glass looks cool, but that’s not the only reason we use it. There’s a practical purpose too. You see, the UV Concentrate 420 Jar blocks all visible light from hitting your concentrate. So what does that mean? Awesomeness. And protection from premature degrading of your meds. 

NEW! Add a DabDish Pro Silicone Insert

Specs:

Pressed Glass
Permanent Glass Decals
Screw-Top Plastic Lid w/ Airtight Seal
Holds: 3-5 g concentrate (10 ml)
Height: 1.25” (3.2 cm)
Width: 1.675” (4.3 cm)
Made in Europe
420 Jars Lifetime Warranty
* See Available Designs on the 420 Science website

Small Concentrate Jar

You want pics, videos, and the ability to capture both at magnification levels up to 800x? Some people would call you crazy. Others would call you greedy. But us? We call you the type of person who could use our 800x USB microscope. Plug it into your Mac or PC and see your stash like never before.

Specs:

2 MP camera
USB powered
8 LED lights for illumination and clarity
20-800x magnification
10mm to infinity focus range
Create videos in .avi format
Download our 420 Scope Field Guide!

420 Scope 800x USB Microscope

There’s something about a water pipe coated in resin that just makes us feel dirty. That’s why we change our water every day. But that’s not all. Not by a long shot. We also use RezBlock. Just a few drops help prevent the resin from building up. It keeps our pieces clean, and our hits fresh and delicious.

More Info:

Up to 120 uses per bottle
Contains fruit extracts, vegetable glycerin, purified water, citric acid
Won't affect taste
Just a few drops needed with every water change

RezBlock XL - 30ml

A Closer Look

We’ve all had those times where we come across some herb that’s greener, fuzzier, and more crystallized than we ever dreamed possible. While some people take a moment to thank the strain gods, we take a moment to whip out this portable scope and look a little closer. Up to 100x closer, to be exact.

Specs:

60-100x magnification
Bright, ultra-white LED light
Comes with long-lasting batteries
Replacement batteries SG3 / 392 (requires 3)

420 Scope 60-100x LED Microscope

You’ve got a new tincture. We’ve got a UV Dropper with a screw top lid and extra thick glass. Sounds like a match to us. Each dropper has a bulbous tip. This ensures an unlimited supply of penis jokes and, more important, consistent drop-size to help regulate dosage.

Specs:

Holds: 50 ml
Height: 5.25” (13.3 cm)
Width: 1. 5” (3.8 cm)
Airtight Lid with Glass Pipette
Permanent Glass Decal
Injection Molded Glass
Made in Europe
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

Large UV Dropper

You’ve got a quarter pound, we’ve got a hermetically-sealed jar that’s begging to keep it fresh. Why are you making it beg? That’s not cool. All it wants to do is help you out. It’s offering you quality, clarity, strength, and your choice of two pewter medallions. So please, for the jar’s sake, stop the charade and just say yes.

Specs:

Holds: 4 oz (113 g) | 64 fl oz (1.9 l)
Height: 8.5” (21.6 cm)
Width: 5. 0” (12.7 cm)
Latch Top Lid with Gasket Seal
Hand-crafted Pewter Medallion
Pressed Borosilicate Glass
Made in Italy
420 Jars Lifetime Warranty

Large Latch-Top Jar

Drop in nails are designed for two purposes. The Titanium downstem slides straight down the direct inject joint so your joint stays nice and clean. Plus they have five half moon shaped vapor entry holes so your dabs don't lose airflow and your hits come just as quick as you touch your tool to the nail.

Grade 2 Titanium
Height: 1.75" Dish Width: 0.50"
Fits 14mm Direct Inject

Drop In Nail / Hollow Downstem 14mm

We set out to create a totally unique storage solution for keeping oils nice and safe. Our Wax Wallet is a small hinged clamshell container with a silicone liner. Featuring a super low profile, this container is easy to slide in and out of your pocket.

Specs:

Get one of each color!
Hinged Clamshell Design
FDA-approved, Food Grade Silicone
Holds approximately 1 gram
1.75" W x .5" H

Wax Wallet 3 Pack

You just picked up a new tincture and you don’t know what to do with it. Well, friend, you’ve come to the right place. Store your medicine in this 420 Science UV dropper and you can rest assured knowing your elixir will retain its potency for the long haul.

Specs:

Holds: 10 ml
Height: 3.75” (9.5 cm))
Width: Width: 0.9375” (2.4 cm)
Airtight Lid with Glass Pipette
Permanent Glass Decal
Injection Molded Glass
Made in Europe
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

Small UV Dropper

It’s ok to pamper yourself every now and again. Or, in the case of Smoke Soap, each time you clean a piece. Our organic cleaner is harsh on resin and easy on skin. It works on glass, metal, and plastic, so don’t you worry about ruining your favorite piece. One cleaning and you’ll wonder how you lived without it.

We have the perfect cleaning companion to make using Smoke Soap even easier! Get your ResCaps here.

More Info:

Reusable
Concentrated solution – 32 oz bottle makes 64 oz
Safe on all surfaces
Organic
Biodegradable

Smoke Soap 32oz Bottle

Call us biased, but we say our Small Wide Mouth 420 Jar is the best way to store an ounce of your favorite herb. Or your second favorite herb. Or your third. Or your… Well… You’re picking up what we’re putting down. Choose from our 36 designs and bask in the freshness that comes from our custom, easy open lid.

Specs:

Machine Blown Glass
Permanent Glass Decals
Airtight Silicone Lid
Holds: 1 oz (28.0 g) | 16 fl oz (473 ml)
Height: 3.0” (7.6 cm)
Width: 4.0” (10.2 cm)
Made in the USA
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

Small Wide-Mouth Jar

Have a couple ounces you're hoping will dry out? Yeah. We didn't think so. You want to keep your nugs fresh and potent. If you're holding two ounces, this could be the jar for you. The custom, easy open lid offers double-wall protection. That's twice as much protection as single wall for all you mathematicians out there.

Specs:

Machine Blown Glass
Permanent Glass Decals
Airtight Silicone Lid
Holds: 2.0 oz (56.0 g) | 32 fl oz (946 ml)
Height: 6.25in (15.9 cm)
Width: 4.0in (10.2 cm)
Made in the USA
420 Jars Lifetime Warranty
*See All Available Designs at the 420 Science website

Large Wide-Mouth Jar

If you want safe and if you want style, you want a UV Concentrate Jar from 420 Science. The shallow bowl is easy to scrape out. And since it’s glass, you don’t have to worry about adding some unwanted plastic to your meds. Which is nice. It’s one less thing to worry about so you can concentrate on your concentrates.

Specs:

Pressed Glass
Permanent Glass Decals
Screw-Top Plastic Lid w/ Airtight Seal
Holds: 1-2 g concentrate (5 ml)
Height: 1.125” (2.9 cm)
Width: 1.375” (3.5 cm)
Made in Europe
420 Jars Lifetime Warranty
*See Available Designs on the 420 Science website

X-Small Concentrate Jar

Pull it open, hear the pop, and know your nugs are still fresher than a sailor's mouth. Because that's what the small Pop-Top 420 Jar does. It keeps up to a quarter ounce safe and stinky. And with over 40 designs to choose from, you can grab a jar that matches your personality, however awesome it may be.

Specs:

Machine Blown Glass
Permanent Glass Decals
Glass Lid w/ Airtight Plastic Gasket
Holds: 1/4 oz (7.0 g) | 3 fl oz (150 ml)
Height: 3.25in (8.25 cm)
Width: 2.5in (6.4 cm)
Made in the USA
420 Jars Lifetime Warranty

Small Pop-Top Jars

Sometimes you find yourself on the couch with up to 10 grams sitting on the coffee table. There are those who call this a lucky day. We call it Tuesday. Either way, you can toss the nugs into a plastic bag and hope for the best, or you can put them into our Medium Pop-Top and know they're going to stay fresh.


Specs:

Machine Blown Glass
Permanent Glass Decals
Glass Lid w/ Airtight Plastic Gasket
Holds: 1/3 oz (10.0 g) | 7 fl oz (200 ml)
Height: 4.0in (10.0 cm)
Width: 3.0in (7.6 cm)
Made in the USA
420 Jars Lifetime Warranty

Medium Pop-Top Jar

We know what you’re saying. There’s no way you’ll ever find yourself sitting on 12 ounces of herb. But life has a way of surprising us sometimes. And wouldn’t this be one hell of a surprise? We think it’s better to be prepared than sorry. So go for it. Grab a 1.5 gallon jar and start wishing for the stars.

Specs:

Machine Blown Glass
Permanent Glass Decals
Holds: 12 oz (336.0 g) | 1.5 gal (5.67 l)
Height: 10.0” (25.4 cm)
Width: 9.0” (22.9 cm)
Made in the USA

1.5 Gallon Jar

We are proud to introduce our redesign of the Kargo water pipe! The Kargo 2 is everything we loved about the old piece along with some great additions like percs, a better fitting lid, and an overall innovative design that lets you have access to your juiciest nugs right where you need them. The smaller chamber and sidecar mouthpiece make this Kargo super stable and reliable. The Kargo 2 Hammerhead perc is a two-sided inline oriented showerhead that effortlessly pushes water and bubbles to the sides of the chamber. You can rip as hard as you want on the Hammer and it will not slow down. This Kargo 2 DOES NOT COME protected by a one year warranty. Get the warranty here.

Specs:

Built-In 420 Jar
Hammerhead Perc
Height: 7"
Base Width: 4.5"
Takes 14mm male accessories
No warranty. Get the warranty here.

420 Science

420 Science products