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G-MAX 120x120x200 cm Grow Tent — Mylar 210D GreenCube — BloomLED
€144.80
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A fully controlled environment for your indoor grow — 120 x 120 x 200 cm grow tent with ultra-reflective 210D Mylar lining and opaque 600D outer canvas.
Trust: handpicked by BloomLED, France-based indoor growing experts for over 10 years, for a stable and consistent microclimate.
1.44 m² footprint · Mylar 210D 95% · LED-ready up to 600W · Lightproof reinforced zips
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GROW TENT
G-MAX 120x120x200 cm GreenCube grow tent — the versatile format for serious indoor harvests
The G-MAX 120 x 120 x 200 cm grow tent from the GreenCube range is the reference format to start or scale up your indoor garden. With a 1.44 m² footprint and a full 210D Mylar interior, it delivers a stable, fully blacked-out microclimate compatible with all major horticultural lighting sources — HPS/MH 600W, CFL or LED 400-600W. Curated by the BloomLED experts, it's the ideal base to manage growth, flowering and cuttings with complete peace of mind.
Technical specifications
| Specification | Value |
|---|---|
| Outer dimensions | 120 x 120 x 200 cm (L x W x H) |
| Footprint | 1.44 m² |
| Outer canvas | 600D opaque black polyester |
| Inner lining | Ultra-reflective 210D Mylar (~95%) |
| Frame | Ø22-25 mm steel tubes + reinforced PVC corners |
| Closures | Double-stitched lightproof zips |
| Lighting compatibility | HPS/MH ≤600W · CFL ≤200W · LED 400-600W |
| Weight | 14 to 18 kg depending on configuration |
Key numbers
1.44m² footprint
95%Mylar reflectivity
600WMax LED recommended
210DMylar thickness
200cm tall
Why this grow tent stands out
🌱 Maximum reflectivity
The 210D Mylar lining returns up to 95% of the light emitted by your LED or HPS source, boosting effective PPFD at canopy level and giving you a uniform crop across the full 120x120 footprint.
🛡️ Rock-solid frame
The Ø22-25 mm steel tubes and reinforced PVC corners hold your fan, carbon filter and LED bars without sagging — no drift, no slack after several cycles.
🔒 Total blackout
Lined 600D polyester canvas, drawcord ventilation sleeves and lightproof zips: zero light leaks that could disrupt your flowering photoperiod.
💡 LED, HPS and CFL compatible
The 120x120x200 format is sized to host a 400-600W quantum-board LED, a 600W HPS/MH kit, or a 200W CFL fixture. You keep the choice of the lighting technology.
🌡️ Mastered microclimate
Double-lined air passages and ventilation ports let you fit an extraction/intake system properly sized for 1.44 m² and keep humidity and temperature stable across the whole cycle.
Frequently asked questions
How many LED watts should I run in a 120x120x200?
For a 1.44 m² footprint, BloomLED recommends 400 to 600 real watts of horticultural LED (not equivalent). A full-spectrum 480-560W quantum-board LED gives excellent results across the full growth/flowering cycle.
Which extraction fan should I pair with this tent?Usable volume is around 2.88 m³. To renew the air every 1-2 minutes, a 200 to 280 m³/h extractor with a Ø125 mm carbon filter is usually enough. Step up the flow rate if you run HPS lighting.
Is this tent compatible with hydroponic systems?Yes — the floor tray is waterproof and the 200 cm height leaves room for DWC, NFT or Air-Pot setups. We recommend a drip tray underneath to keep splashes off the canvas.
How long does assembly take?Plan 25 to 35 minutes solo for a first assembly. The steel tubes slot into the numbered PVC corners, then the canvas fits over the frame before you close the zips.
The 120x120 footprint is the gold standard of indoor growing: big enough for 4 to 6 plants in SOG, compact enough to sit in a garage, basement or dedicated room. The best trade-off between yield and footprint.
✓ Designed in France✓ Experts for 10+ years✓ Fast shipping✓ Responsive BloomLED support
BOX-GMAX-120-120-200
New
A fully controlled environment for your indoor grow — 120 x 120 x 200 cm grow tent with ultra-reflective 210D Mylar lining and opaque 600D outer canvas.
Trust: handpicked by BloomLED, France-based indoor growing experts for over 10 years, for a stable and consistent microclimate.
1.44 m² footprint · Mylar 210D 95% · LED-ready up to 600W · Lightproof reinforced zips