Skip to content

Vaporizer Comparison

Hydrology9 NX vs Tempest 2

Side-by-side specs, pricing context, and clear decision guidance.

Hydrology9 NX

Hydrology9 NX

Cloudious9 $250

VS
Tempest 2

Tempest 2

Mad Heaters from £149.17 GBP

Editorial Summary

Hydrology9 NX and Tempest 2 are both hybrid / convection vaporizers, but they target different priorities. Tempest 2 is usually the lower-cost pick at $179, around $71 below Hydrology9 NX. Heat-up speed is broadly similar between the two.

Specs Compared

23

Different Specs

23

Shared Specs

0

Overall Overlap

0%

Shared Traits

Hybrid Convection

Head-to-Head Highlights

A quick snapshot of the specs people usually care about first.

Price (USD)

Tempest 2 edge

Hydrology9 NX

$250

Tempest 2

$179

Tempest 2 is typically around $71 lower.

Heat-Up Time

Close call

Hydrology9 NX

~30 seconds

Tempest 2

~30-45 seconds with torch

Both devices are in a similar heat-up range.

Weight

Tempest 2 edge

Hydrology9 NX

413 grams

Tempest 2

46g

Tempest 2 is the lighter listed unit.

Heating Style

Close call

Hydrology9 NX

Hybrid Convection

Tempest 2

Convection-heavy with thermal ball matrix

Heating style differs, which can impact flavor and extraction behavior.

Key Differences at a Glance

Top specs where these two devices diverge.

10 differences

Price (USD)

Hydrology9 NX

$250

Tempest 2

$179

Device Type

Hydrology9 NX

Desktop

Tempest 2

Portable

Heating Type

Hydrology9 NX

Hybrid Convection

Tempest 2

Convection-heavy with thermal ball matrix

Heat Up Time

Hydrology9 NX

~30 seconds

Tempest 2

~30-45 seconds with torch

Temperature Range

Hydrology9 NX

356°F - 455°F (herb), 554°F - 770°F (extract)

Tempest 2

N/A

Chamber Capacity

Hydrology9 NX

~0.2g - 0.25g

Tempest 2

0.1g - 0.2g (adjustable)

Battery Type

Hydrology9 NX

Removable

Tempest 2

None

Battery Capacity

Hydrology9 NX

1900mAh

Tempest 2

N/A

Battery Life

Hydrology9 NX

60-120 sessions

Tempest 2

N/A

Charging

Hydrology9 NX

USB to Propietary Magnetic Connector

Tempest 2

N/A

Choose Hydrology9 NX if...

  • You prefer a hybrid convection heating profile.
  • Your usage leans toward desktop and concentrates sessions.
  • You prefer Hydrology9 NX's overall feature mix and form factor.

Typical price

$250

Sold by To the Cloud Vapor Store

Check price
View full profile

Choose Tempest 2 if...

  • You want the lower listed entry price ($179 vs $250).
  • You want the lighter unit for carrying and travel.
  • You prefer a convection-heavy with thermal ball matrix heating profile.
  • Your usage leans toward portable and analog sessions.

Current price

£149.17GBP

at Mad Heaters

Check price
View full profile

Prices are read automatically from retailer pages and were last checked Aug 27, 2026; confirm the price at checkout. Some links are affiliate links, which support Thermal Extractions at no extra cost to you.

Spec Comparison Table

Direct comparison of every spec from each device profile.

23 differ 0 shared
SpecificationHydrology9 NXTempest 2
Price (USD) $250$179
Device Type DesktopPortable
Heating Type Hybrid ConvectionConvection-heavy with thermal ball matrix
Heat Up Time ~30 seconds~30-45 seconds with torch
Temperature Range 356°F - 455°F (herb), 554°F - 770°F (extract)N/A
Chamber Capacity ~0.2g - 0.25g0.1g - 0.2g (adjustable)
Battery Type RemovableNone
Battery Capacity 1900mAhN/A
Battery Life 60-120 sessionsN/A
Charging USB to Propietary Magnetic ConnectorN/A
Charge Time ~60 minutesN/A
Dimensions 4.5cm x 4.5cm x 17.5cm122mm x 18.5mm
Weight 413 grams46g
Power Adjustment 6 Presets (Dial)Visual gauge with click indicators
Chamber Material Ceramic (herb) / Quartz & Ceramic (extract)Titanium
Concentrate Support Yes
Brand Cloudious9Mad Heaters
Adjustable Airflow Yes
Body Material Grade 5 titanium, aluminum heat shield, stainless steel
Country of Manufacture Made in China, Assembled in the UK
Release Date 2021
Session Style Session
Warranty 2 years1 year

Comparison FAQs

What is the biggest difference between the Hydrology9 NX and the Tempest 2?

The biggest practical difference is form factor: these aren't the same kind of device. Hydrology9 NX is a desktop, Tempest 2 is a portable. Pick based on whether you want something portable or something stationary.

Which is cheaper, the Hydrology9 NX or the Tempest 2?

Tempest 2 is the cheaper option at $179 compared with $250 for the Hydrology9 NX, about $71 less. Live retailer pricing can shift, so confirm before buying.

Which heats up faster, the Hydrology9 NX or the Tempest 2?

Hydrology9 NX reaches session-ready temperature in ~30 seconds, while the Tempest 2 takes ~30-45 seconds with torch. That's roughly 8 seconds quicker on the Hydrology9 NX, which is useful if you want shorter, on-demand sessions.

What's the difference in heating between the Hydrology9 NX and the Tempest 2?

Hydrology9 NX uses hybrid convection heating, while the Tempest 2 uses convection-heavy with thermal ball matrix. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Does the Hydrology9 NX or the Tempest 2 hold more flower?

Hydrology9 NX has the larger chamber at ~0.2g - 0.25g, versus 0.1g - 0.2g (adjustable) on the Tempest 2. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.

Which is lighter, the Hydrology9 NX or the Tempest 2?

Tempest 2 is the lighter unit at 46g, around 367g less than the Hydrology9 NX at 413 grams. The lighter device is easier to carry and pocket day-to-day.

Is the Hydrology9 NX or the Tempest 2 better for home versus on-the-go use?

Tempest 2 is the take-anywhere choice. It's a portable, battery-powered unit, while the Hydrology9 NX is built for home use, where bigger heaters, AC power, and larger chambers make sense.

Need a different matchup?

Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.