Bullet Blender® STORM 5

Manufactured in the United States


The Bullet Blender® STORM 5 enables you to homogenize, disrupt, or lyse up to 12 tissue or cell culture samples at a time in standard 5 ml tubes. Load the samples into the tubes, place them in the Bullet Blender, set the time and speed and you're ready! The "bullets" in the instrument vigorously strike all of the tubes and homogenize your sample in minutes.

The "STORM" model of the Bullet Blender has extra power to improve the homogenization of tougher samples and also incorporates air cooling to dissipate heat.  The air cooling draws circulates ambient air into the Bullet Blender, maintaining samples at ambient temperature.  (Tip: Place a Bullet Blender STORM in a cold room to keep samples near 4°C!)

Two models of the Bullet Blender STORM 5 are available to accommodate screw-cap and snap-cap tubes:

  • The Screw-Cap model uses 5ml skirted screw-cap Axygen tubes.
  • The EVEN MORE POWERFUL Snap-Cap model uses 5ml snap-cap Eppendorf tubes.

Consistent Results

The more powerful Bullet Blender 5 allows homogenization of larger samples than the original Bullet Blender and prepares up to 12 samples in just minutes. All of the samples are automatically homogenized in the same manner to minimize sample-to-sample variability.

No Cross-Contamination or Sample Loss

There are no probes or blades to cause cross contamination or sample loss, which also means there are no parts to clean between runs. The sample tubes are kept closed and self-contained during homogenization.

Samples Stay Cool

The instrument uses very little power due to the unique, patented design, so there is very little heat build up in the instrument or inside the sample tubes, and a cooling fan helps keep samples very close to ambient temperature. It uses a DC motor to agitate the individual tubes.  The Bullet Blender is designed for reliability and durability, with few moving parts and a very low rate of motor wear.

Easy To Use

Simply place your sample, beads and buffer in standard tubes, and load the tubes into the Bullet Blender. Tune the extent of disruption by adjusting the run time and speed. Afterwards, place the sample tubes in a centrifuge to separate the lysate. No special holders are needed. There are no clamp plates nor locking rings to fiddle with.

Risk Free Purchase

Bullet Blender units come with a 30 day money back guarantee and a 2 year warranty.


 DNA RNA Protein

from Plant Samples

from Animal Samples

from Microbial Samples


 Genomic DNA samples in agarose gel stained with ethidium bromide.

Lanes 1-4 = Tobacco leaf DNA

λ = phage λ Hind II digest

Lanes 5-8 = Rice leaf DNA

Total RNA gel from mouse tail snips.

RNA integrity number = 8.5

Data courtesy of  Madhu Prasad @ U. Michigan

E. coli sample.

SDS Page gel stained with coomassie blue.

wc = whole cell.  sf = soluble fraction.

Left two lanes control. Right two lanes induced.

Key Attributes
Homogenizer Type Bead Mill
Sample Throughput 12 samples
Sample Volume (min) 100 µl
Sample Volume (max) 3 ml
Usage / Placement Benchtop
Cooling Yes
Warranty 2 years
Noise Level 100 dB
Weight 11 lb
Width 9"
Depth 11"
Height 8.5"

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