VIVOSUN AeroStream H19 Humidifier – Precision Humidity Control for Grow Tents

VIVOSUN AeroStream H19 Humidifier – Precision Humidity Control for Grow Tents

The Vivosun AeroStream H19 Humidifier keeps your grow room at the perfect humidity levels for healthy plant development. With a large water tank, fine mist output, and easy-to-use controls, it delivers consistent humidity to support seedlings, veg growth, and flowering. Built for grow tents, it runs quietly and efficiently while resisting the warm, humid conditions that can cause standard humidifiers to fail.

Key Benefits

Powerful mist output — boosts humidity quickly and evenly across the tent.

Large water capacity — fewer refills needed, even during long runtime.

Adjustable settings — dial in the perfect level for propagation, veg, or flower.

Quiet operation — won’t add distracting noise to your grow space.

Durable build — designed to cope with the heat and humidity of growroom use.

Why You Need to Control Humidity

Humidity plays a huge role in plant growth. Seedlings and cuttings thrive in higher humidity, vegging plants need balanced levels for fast growth, and flowering plants require lower humidity to prevent mould and bud rot.

Without control, your plants risk stress, slowed growth, and reduced yields. The AeroStream H19 gives you reliable control so you can hit the right VPD (Vapour Pressure Deficit) across every stage.

How to Set Up the VIVOSUN AeroStream H19 Humidifier

Fill the tank: Add clean, filtered water to the reservoir.

Position correctly: Place the unit inside or just outside the tent so mist flows into the canopy area.

Power on: Plug into mains and select your desired output level.

Adjust as needed: Increase or decrease mist based on your current growth stage and hygrometer readings.

Maintain: Clean the tank regularly and use RO Water to prevent limescale or bacteria build-up.

Tech Specs

Model: AeroStream H19

Type: Ultrasonic humidifier

Tank capacity: Large reservoir (sized for long runtimes)

Mist output: Adjustable fine mist

Noise level: Quiet operation

Controls: Easy adjustable settings

Use case: Grow tents & small rooms

Power: Mains operated (UK plug)

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Items less than 2kg in weight can be sent throughout the UK and N.Ireland at our standard postal rates by Royal Mail 

Items over 2kg are sent by courier where a delivery surcharge applies to:  

Highlands & Isle of Wight: Before 16:00 only £16 up to 20kgs in weight for post codes: AB37-38,41-45,51,56, FK19-21, IV1-28,30-37,40,54,63 KW1-3,5-14, PA21-40, PH15-26,30-41,49,50,TD, PO30-41 

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Northern Ireland £25 up to 10kg in weight, £1.25 per kilo thereafter 

Republic of Ireland £35 up to 5 kilos in weight, £2.75 per kilo thereafter 

Offshore British mainland please message for a quote 

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