Neptune Hydroponics Heat Cable – Heating Cable for Substrate in Indoor Growing
Neptune Hydroponics Heat Cable – Heating Cable for Substrate in Indoor Growing
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Tipo: Cable calefactor para zona radicular
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Potencias: 30W o 60W disponibles
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Temperatura: Calentamiento entre 30 ºC y 50 ºC
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Voltaje: Compatible 120V / 220–250V
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Description
- 🔥 Constant root warmth: Provides a uniform temperature of 30 ºC to 50 ºC, ideal for germination and rooting.
- 🌱 Two variants available: 30W with 4 m of heating cable for small seedbeds, and 60W with 10 m of heating cable for larger areas.
- 🔌 Flexible and safe installation: Includes 2 m of non-heating cable, injected plug, and robust sealing for greenhouse use.
- 🚀 Accelerates growth: Promotes rapid and healthy root development in cuttings and young plants.
Full description
Heating Cable for Seedbeds and Greenhouses: Constant Root Heat for Optimal Development
The Heating Cable is an effective and safe solution to provide constant and uniform heat in the root zone, favoring both adult plants like to cuttings in the process of rooting. Its use is ideal in seedbeds and greenhouses, where a stable temperature in the roots makes the difference in the germination, rooting and initial growth.
Thanks to its design with injected plug, flexible heating section and additional unheated cable, allows for comfortable and adaptable installation to different growing surfaces. The gentle, evenly distributed heat creates an optimal root environment, accelerating plant development without generating thermal stress.
This cable also has Robust sealing at ends and middle connection, which guarantees high durability and resistance in typical greenhouse conditions.
Available Variants
30W Heating Cable
This version is intended for small seedbeds, germination trays and reduced root zones, offering efficient heat with low consumption.
Main features:
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Power: 30W
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Heating temperature: 30ºC – 50ºC
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Voltage: Compatible with 120V / 220–250V
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Cable length:
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2 meters without heating
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4 meters of heating section
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Uses:
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Seedbeds
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Rooting cuttings
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Support for root growth in greenhouses
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Advantages:
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Gentle and constant heat
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Faster germination
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Effective rooting
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60W Heating Cable
The 60W version is aimed at larger growing areas, offering greater thermal coverage without losing uniformity. Ideal for medium or large greenhouses.
Main features:
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Power: 60W
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Heating temperature: 30ºC – 50ºC
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Voltage: Compatible with 120V / 220–250V
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Cable length:
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2 meters without heating
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10 meters of heating section
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Uses:
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Larger seedbeds
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Intensive rooting of cuttings
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Promotion of root growth in greenhouses
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Advantages:
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Uniform heat on large surfaces
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Accelerated root development
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Greater thermal stability
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Key Benefits
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Stimulates germination and rooting from the first phases of cultivation.
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Maintains a stable root temperature, even in cold environments.
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Flexible and easy installation, adaptable to different configurations.
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Safe and durable, with resistant sealing for continued use.
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Available in two powers, to adjust to different cultivation needs.
The Heating Cable 30W and 60W It is an essential tool for those seeking improve root health, accelerate growth and optimize results in seedbeds and greenhouses.
Warranty
At GrowIndustry we only work with proven quality products and trusted brands.
Every item goes through a check before shipping to make sure it arrives in perfect condition and ready to use.
Your satisfaction is our priority.

Neptune Hydroponics Heat Cable – Heating Cable for Substrate in Indoor Growing
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Extended warranty
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Frequently asked questions
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It delivers constant, even heat to the root zone of your plants. It is ideal in propagators and greenhouses, where a stable root temperature makes all the difference to germination, rooting and early growth. It benefits both mature plants and cuttings.
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The 30W version is designed for small propagators, germination trays and compact root zones, with 4 metres of heating section. The 60W version covers larger areas with 10 metres of heating section, ideal for medium or large greenhouses. Both have 2 metres of non-heating cable for the connection.
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Both versions work in a heating range of 30 ºC to 50 ºC. It is a gentle, even heat designed to create an optimal root environment without causing heat stress to the plant.
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It is compatible with 120V and with 220–250V, and it comes with a moulded plug so the connection is direct and convenient.
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Yes, it has robust sealing at the ends and at the middle connection, which gives it high durability and resistance under normal greenhouse conditions. It is designed for continuous use.
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Yes, its flexible heating section and the extra length of non-heating cable make installation easy and adaptable to different growing surfaces. You can lay it out to suit the shape of your propagator or bench.