RAM Humidifier 13L / 5L UK | Ultrasonic Grow Room Humidifier
The RAM Humidifier 13L / 5L is a professional ultrasonic humidifier designed for grow rooms, grow tents, propagation chambers, hydroponics, and indoor cultivation environments. Available in both 5 litre and 13 litre models, these humidifiers provide adjustable cool mist humidity control to help maintain ideal growing conditions for seedlings, cuttings, vegetative growth, and healthier plant development.
- ✔ Available in 5L and 13L tank capacities
- ✔ Ultrasonic cool mist humidifier technology
- ✔ Adjustable humidity output control
- ✔ Quiet operation for grow rooms and grow tents
- ✔ Ideal for seedlings, cuttings & vegetative growth
Price range: £45.00 through £120.00 incl. Vat
💧 RAM Humidifier 13L / 5L Guide & Product Information
🌱 Professional Humidity Control for Grow Rooms & Hydroponics
The RAM Humidifier 13L / 5L range is designed to provide reliable humidity control for grow rooms, grow tents, propagation chambers, hydroponic systems, greenhouses, and indoor cultivation environments.
Maintaining stable humidity levels is essential for healthy plant growth, transpiration, nutrient uptake, propagation success, and reducing environmental stress during early plant development stages.
Using ultrasonic cool mist technology, the RAM Humidifier produces a fine mist without using heating elements, allowing growers to increase humidity efficiently while maintaining stable environmental temperatures.
The range includes two popular models:
- ✔ RAM 5L Ultrasonic Humidifier
- ✔ RAM 13L Ultrasonic Humidifier
The 5L version is ideal for smaller grow tents and propagation areas, while the larger 13L version is designed for bigger grow rooms and commercial-scale humidity control. :contentReference[oaicite:0]{index=0}
If you are improving your grow room climate control, read our guide to maintaining optimal temperature and humidity in your grow tent.
- ✔ Stable humidity control for indoor cultivation
- ✔ Ultrasonic cool mist technology
- ✔ Quiet operation for grow environments
- ✔ Ideal for propagation and vegetative growth
💨 Ultrasonic Cool Mist Technology
The RAM Humidifier range uses ultrasonic ceramic vibration technology to atomise water into microscopic airborne droplets.
This creates a cool fine mist that rapidly increases environmental humidity without generating heat.
Benefits of ultrasonic humidification include:
- ✔ Rapid humidity increase
- ✔ Cool-running operation
- ✔ Low energy consumption
- ✔ Fine micron-sized mist particles
Unlike heated humidifiers, ultrasonic systems do not significantly raise grow room temperatures, making them ideal for enclosed cultivation environments. :contentReference[oaicite:1]{index=1}
🌿 Perfect for Seedlings, Cuttings & Vegetative Growth
Young plants and unrooted cuttings require elevated humidity levels to reduce moisture loss and improve root development.
The RAM Humidifier range is ideal for:
- ✔ Seedlings
- ✔ Cuttings and clones
- ✔ Vegetative-stage plants
- ✔ Propagation chambers and tents
Maintaining proper humidity helps:
- ✔ Improve propagation success
- ✔ Reduce plant stress and wilting
- ✔ Encourage faster root formation
- ✔ Improve vegetative growth performance
Proper humidity management is particularly important when using high-powered grow lights and strong extraction systems which can rapidly dry the growing environment. :contentReference[oaicite:2]{index=2}
⚡ RAM 5L Ultrasonic Humidifier
The RAM 5L model is designed for smaller grow spaces and propagation environments.
Key specifications include:
- ✔ 5 litre water tank
- ✔ Up to 400ml/hr mist output
- ✔ Adjustable mist control dial
- ✔ Power consumption: 30W
- ✔ 220–240V power supply
The 5L version is ideal for:
- ✔ Small grow tents
- ✔ Propagation tents
- ✔ Seedling environments
- ✔ Cloning systems
Specifications verified from RAM manufacturer and retailer sources. :contentReference[oaicite:3]{index=3}
🌫 RAM 13L Ultrasonic Humidifier
The larger RAM 13L Humidifier is designed for medium to large grow rooms and commercial propagation spaces.
Key features include:
- ✔ 13 litre water tank capacity
- ✔ Up to 1100ml/hr evaporation rate
- ✔ Four directional mist nozzles
- ✔ Adjustable analogue humidity control
- ✔ Auto shut-off safety protection
- ✔ Power consumption: 85W
- ✔ Noise level: ≤35dB(A)
The larger humidification output makes the 13L version suitable for:
- ✔ Medium and large grow rooms
- ✔ Multi-light grow spaces
- ✔ Commercial propagation areas
- ✔ Large vegetative rooms
Specifications verified from RAM manufacturer sources. :contentReference[oaicite:4]{index=4}
🔇 Quiet & Efficient Operation
Both RAM Humidifier models operate quietly using ultrasonic technology without heating elements or noisy fans.
Benefits include:
- ✔ Quiet operation for indoor grow rooms
- ✔ Suitable for continuous operation
- ✔ Cool-running humidity management
- ✔ Energy-efficient ultrasonic misting
The units also feature automatic shut-off protection when water levels become low to protect the ultrasonic components. :contentReference[oaicite:5]{index=5}
⚠ Hard Water & Maintenance Advice
To maintain long-term ultrasonic performance, RAM recommends using:
- ✔ Filtered water
- ✔ RO water
- ✔ Distilled water
Hard water can cause mineral build-up on ultrasonic plates over time which may reduce performance. :contentReference[oaicite:6]{index=6}
❓ FAQ
What size options are available?
The RAM Humidifier range includes 5L and 13L models for different grow room sizes. :contentReference[oaicite:7]{index=7}
What is the output of the 5L model?
The 5L version produces up to 400ml/hr of cool mist humidity. :contentReference[oaicite:8]{index=8}
What is the output of the 13L model?
The 13L version produces up to 1100ml/hr of humidity output. :contentReference[oaicite:9]{index=9}
Are these humidifiers suitable for propagation?
Yes, they are ideal for seedlings, clones, cuttings, and vegetative growth environments.
Do ultrasonic humidifiers use heat?
No, ultrasonic vibration creates cool mist without heating elements, helping maintain stable grow room temperatures.

