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40×40 indoor grow tent kit: the complete beginner's guide
Getting into indoor growing without picking the wrong gear is finally simple. The HomeLAB 40 + SpectraBUD X60 kit combines the grow tent, the horticultural LED light and all the accessories of a 40×40 space, ready to assemble in minutes. This guide explains what is in the kit, how to set it up and how to succeed with your first grows.
Why choose an all-in-one 40×40 grow kit?
Everything fits, nothing to size up
The first beginner trap is buying piece by piece: a tent too large for the light, an undersized extractor fan, an incompatible filter. The HomeLAB 40 + SpectraBUD X60 kit removes that risk. Every part was selected to work together in a 40×40×120 cm volume. You get the tent, the light, the extraction, the carbon filter, the timer, the thermo-hygrometer and the mounts in a single box. The compact format suits a flat, a closet or a corner of a room, and stays discreet. Explore our other ready-to-grow kits too.
The SpectraBUD X60, the light at the kit's core
The SpectraBUD X60 light, designed by BloomLED, lights the chamber with a full spectrum optimised for growth, flowering and finishing. Its 60 real watts cover the whole 40×40 area with an even PPFD, and its efficiency above 2.5 µmol/J makes it a high-efficiency LED. Samsung LM301H and Osram Oslon horticultural diodes, a Meanwell driver and a silent passive heatsink deliver a professional level in a compact format. To understand the link between watts, area and efficiency, read our guide on choosing the right power for your grow.
Hang the SpectraBUD X60 about 30-40 cm above young plants in growth, then lower it gradually in flowering while watching the leaves. Set the timer to 18/6 in growth and 12/12 in flowering.
What can you grow in a 40×40?
A 40×40 space usually holds 1 plant trained with LST or SCROG, 2 to 3 medium plants, or up to 4 plants in a short grow. It is also an ideal format for cuttings and mother plants, where the surface can host many small plants. For a first try, a few well-managed plants beat an overcrowded space.
The kit's strengths at a glance
Full spectrum
Warm white, neutral white and deep red diodes to cover growth and flowering, from seedling to harvest, with no lamp change.
HomeLAB HL40 tent
95% diamond Mylar fabric, reinforced metal frame, light-proof zips and a spill tray included.
Silent extraction
Ventilation sized for the 40×40 with an active carbon filter: odours neutralised, discreet 24/7 operation.
Easy automation
A 24 h mechanical timer to run the 18/6 then 12/12 photoperiod with no daily supervision.
Designed in France
A kit designed and prepared in France by BloomLED, a growshop expert for over 10 years, with responsive support.
Controlled consumption
About 75 to 90 W in total, light and extraction included, for serious indoor growing at a modest energy cost.
Which light for which space?
Depending on the area and your ambition, BloomLED offers several setups. The HomeLAB 40 kit relies on the SpectraBUD X60, the ideal balance for a 40×40.
| Format | LED light | Power |
|---|---|---|
| 40×40 | SpectraBULB X30 | 30 W |
| 40×40 | SpectraBUD X60 | 60 W |
| 60×60 | SpectraMODULE X135 | 135 W |
A good indoor grow is a trio: light, ventilation and climate. Extraction renews the air and removes heat, the carbon filter neutralises odours, and the thermo-hygrometer helps you aim for 22-26 °C and 50-65% humidity depending on the phase.
Frequently asked questions
Is this 40×40 kit suitable for a beginner?
Yes, completely. The kit was designed to avoid sizing and compatibility mistakes. You get the tent, the LED, the extraction, the filter, the timer and the hygrometer, with assembly instructions. BloomLED support stays reachable for your first settings.
How many plants can you grow in a 40×40?
The space suits 1 plant trained with LST or SCROG, 2 to 3 medium plants, or up to 4 in a short grow. For cuttings or mother plants, the surface holds many small plants. The SpectraBUD X60 covers the whole area with an even PPFD.
What is the kit's power consumption?
The SpectraBUD X60 draws 60 real watts. The extractor adds about 15 to 25 W depending on the model supplied. In total, expect around 75 to 90 W in operation, a very reasonable figure for a high-efficiency horticultural light.
Is the tent light-proof and odour-proof?
Yes. The HomeLAB HL40 has zips doubled with a light flap and flanged air socks to prevent any leak during the artificial night. For odours, the supplied active carbon filter, correctly fitted on the extractor, neutralises them effectively through negative pressure.
Can the kit be expanded?
Absolutely. It is a complete yet scalable base: you can later add a fan speed controller to cut noise, a humidifier, a climate controller, or substrates and nutrients. The BloomLED catalogue covers the whole indoor growing chain.
Is assembly complicated?
No. Allow about 15 minutes: set up the tent, hang the SpectraBUD X60 at the recommended height, fit the extractor with the filter at the top of the tent, then plug everything into the timer. Your grow room is ready.
Related product
HomeLAB 40 + SpectraBUD X60 Complete Pack — Ready-to-Grow 40×40 Indoor Kit | BloomLED
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