• Dark Street 120 x 120 x 198cm R4.00 - Secret Jardin grow box
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Dark Street 120 x 120 x 198cm R4.00 - Secret Jardin grow box
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Brand Secret Jardin Réf DARK-STREET-120

Dark Street 120×120×198 cm R4 Grow Tent — Secret Jardin | BloomLED

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GROW TENT

Dark Street 120 R4 grow tent by Secret Jardin — the XL benchmark for indoor cultivation

The Dark Street 120 R4.00 from Secret Jardin is the XL grow tent trusted by demanding indoor growers. With 2.9 m³ of usable volume, a quilted Mylar M210D liner reflecting 95 % of the light and a steel frame rated for 20 kg of accessories, it offers the ideal environment to flower 4 mature plants, run a mother room or carry out a full indoor grow cycle. BloomLED, the French growshop expert with 10+ years of experience, brings you the latest R4 revision — reinforced fabric, industrial-grade zippers and a stiffer frame for multi-season durability.

Dark Street 120 R4 Secret Jardin grow tent 120x120x198 cm BloomLED
SpecificationValue
External dimensions120 × 120 × 198 cm (L × W × H)
Usable volume2.9 m³
Floor area1.44 m² — 4 plants in 25 L pots
Outer fabricCoated 600D nylon, fully lightproof
Inner linerQuilted Mylar M210D — 95 % diffuse reflection
FrameØ 16 mm steel tubing, max load 20 kg
Openings2 cable ports, 2 fan windows, 1 ducting sleeve
AssemblyTool-free — built in 5 minutes, carry bag included
2.9 m³Grow volume
95 %Mylar reflection
20 kgFrame load
R4.00Reinforced revision

🌱 Quilted Mylar M210D: maximum usable photons

The quilted M210D Mylar liner bounces 95 % of the light emitted by your horticultural LED back to the canopy. The result: a more uniform PPFD over the whole footprint, shorter internodes and a markedly higher yield per watt than a plain nylon liner.

🛡️ Lightproof and waterproof: zero leakage, zero stress

The 600D outer fabric, light-proof zippers and elastic cable cuffs ensure total darkness — essential to enforce a 12/12 photoperiod in flower. The structure is also waterproof: no risk of leaks if you spill nutrient solution.

⚡ 20 kg steel frame: hangs your full setup safely

Ø 16 mm steel tubing plus reinforced metal connectors on the R4 revision. You can hang a 600 W quantum-board LED, a Ø 150 mm extractor + carbon filter, ducting, hygrometer and timer with no sag whatsoever.

🌬️ Built-in airflow: 2 fan windows + ducting sleeve

Two ports for Ø 150-200 mm fans, a top ducting sleeve to vent hot air, and several lower intakes for fresh air. Temperature and humidity management becomes effortless.

🔧 Tool-free assembly in 5 minutes

No tools, no DIY: tubes click together, the cover zips on, you're done. Equally quick to break down between cycles or for a move. Carry bag included.

🌿 Versatile: flower room, mother room, full cycle

With 1.44 m² of floor and 1.98 m of headroom, you can comfortably run 4 flowering plants (25 L pots), a mother room with 6-8 mothers or a full SCROG cycle. The height fits an extractor, a lamp and a canopy without compromise.

How many plants fit inside a Dark Street 120 R4?

With 1.44 m² of floor area, plan for 4 mature plants in 25 L pots for classic flowering, up to 9 plants in SOG (Sea of Green) or 1-2 plants in SCROG. For clones and seedlings, the tent easily holds 30-40 small pots.

What LED wattage is recommended for this tent?

For 1.44 m² in flower, target 400 to 600 W of quantum-board or bar-style LED, i.e. roughly 280-420 W/m². In veg, 200-300 W is enough. The 1.98 m height leaves 30-40 cm between the lamp and the canopy — ideal for most modern LEDs.

Which extractor fan should I pair with a Dark Street 120?

With 2.9 m³ of volume, a Ø 150 mm fan rated 400-500 m³/h refreshes the air 130-170 times per hour — plenty for flower. Pair it with a Ø 150 mm carbon filter to neutralise odours and a thermal speed controller to regulate temperature.

What does the R4 revision add over earlier versions?

R4.00 introduces a reinforced steel frame, more durable industrial-grade zippers, double-stitched M210D seams and elastic light-proof cable cuffs. It is the most refined Dark Street to date, engineered for years of intensive use.

Is the tent really 100 % lightproof?

Yes: opaque 600D fabric + quilted M210D Mylar + light-proof zippers + elastic cable cuffs guarantee total darkness during a 12/12 photoperiod. Essential to avoid light stress in flower and preserve trichome production.

The Dark Street 120 R4 combines Belgian engineering by Secret Jardin and BloomLED's French growshop expertise: the turn-key solution to nail your indoor grow on 1.44 m², season after season.

✓ Curated by BloomLED✓ 10+ years of expertise✓ French customer service✓ 48 h shipping

Pairs well with

Dark Street 90×90×178 cm R4 grow tent – Secret JardinDark Street 60×60×158 cm R4 grow tent – Secret JardinHydroshoot 150×150×200 cm V2 grow tent
DARK-STREET-120
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Product Dark Street 120×120×198 cm R4 Grow Tent — Secret Jardin | BloomLED ideal for professional use, personal use, performance. Quality and performance guaranteed.

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