Question 1

What is the recommended maximum extraction capacity for fans in this Dark Room 150x150x217 cm to maintain an optimal VPD under powerful LED lighting?

Accepted Answer

For 150 × 150 cm, choose lighting by plant needs, its PPFD map at the intended height, dimensions and required clearances. Tent size alone does not establish a maximum wattage. Watts certify neither hanging capacity nor a stable temperature; add suspended masses and test heat with equipment running. Without a specific light and measurement protocol, no PPFD or g/W increase can be given.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 2

Dark Room 150x150x217 R4.00 - is reliability and robustness really guaranteed?Is the 25mm stainless steel structure really indestructible with intensive use? And does the fibrous fabric basin last over time without mold or leaks?

Accepted Answer

No service life in years or indestructibility claim is established for Dark Room DR150 R4.00. Follow load limits, lamp clearances and cleaning instructions. Avoid standing water, corrosive deposits and pulling on zips; dry before storage. Regularly check seams, lining, joints and bars. Have damage or wear assessed before continued use.A hydroponic system can stand on the floor if it and its maintenance access fit 150 × 150 × 217 cm. Add the reservoir, pump, irrigation and controls separately. Check filled-reservoir load on the room floor, remaining height under lighting and drainage access. A tent tray is not a reservoir or a guarantee against leaks; the enclosure does not regulate pH or humidity.

Question 3

Can we optimize the installation of the extractors and the airflow in the Dark Room 150 R4.00 for a LED SCROG system without creating hot spots or loss of efficiency?

Accepted Answer

Dark Room DR150 R4.00 has a nominal footprint of 2.25 m². A plant support net or training setup must leave access for watering, openings and air above and below the foliage. A bar’s vertical load rating does not certify lateral net tension. For dense planting, choose lighting by its actual coverage and check climate at several points; the tent alone does not guarantee yield.

Question 4

For 150x150x217, is the built-in ventilation with ducting flange sufficient or is an additional extractor recommended?

Accepted Answer

Cover and frame, 3 hanging bars, 1 removable tray(s); 2 DF25 · 2 connectors Ø 200 mm. Plant support net(s) and Space Booster wall supports included. Add lighting, extraction, air circulation, a filter if needed, pots and growing medium separately. An equipped illustration does not mean the devices are included. Check the offer contents before selecting a kit.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 5

What is the maximum extraction flow rate supported by the flange provided with the Dark Room 150x150x217 R4.00?

Accepted Answer

Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 6

Complete kit to start with size 150x150x217, is the assembly quick and really modular according to my setup?

Accepted Answer

Cover and frame, 3 hanging bars, 1 removable tray(s); 2 DF25 · 2 connectors Ø 200 mm. Plant support net(s) and Space Booster wall supports included. Add lighting, extraction, air circulation, a filter if needed, pots and growing medium separately. An equipped illustration does not mean the devices are included. Check the offer contents before selecting a kit.The Dark Room DR150 R4.00 manual sets out assembly order; no maximum time or solo assembly is guaranteed here. Sort parts, clear the work area and follow the frame diagram first. Open the required zips before fitting the cover without force, then check all joints. Get help for large models and remove all equipment before moving the tent. Plant growth depends on species and conditions, not assembly time.

Question 7

What is the average lifespan of the compatible carbon filter with this box to limit odors without affecting ventilation?

Accepted Answer

Carbon-filter life depends on model, airflow, humidity, odour load and maintenance; the DR150 tent cannot establish a lifetime in months. Follow the filter manual, maintain the prefilter and check duct leaks before assuming saturation.The Dark Room DR150 R4.00 tent has no documented acoustic rating. Noise depends on the extractor, its speed, ducts and transmitted vibration. Use compatible connections (2 DF25 · 2 connectors Ø 200 mm), avoid unnecessary bends and use intended fixings. For odours, match a carbon filter to actual airflow and avoid leaking connections; reducing airflow too far can allow heat and humidity to build up.

Question 8

What is the integration capacity of variable ventilation systems in the Dark Room 150 to optimize lighting conditions under LED in SCROG or LST?

Accepted Answer

Dark Room DR150 R4.00 has a nominal footprint of 2.25 m². A plant support net or training setup must leave access for watering, openings and air above and below the foliage. A bar’s vertical load rating does not certify lateral net tension. For dense planting, choose lighting by its actual coverage and check climate at several points; the tent alone does not guarantee yield.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 9

Reliable adjustable blower for extraction on 150x150 without increasing excessive noise?

Accepted Answer

The Dark Room DR150 R4.00 tent has no documented acoustic rating. Noise depends on the extractor, its speed, ducts and transmitted vibration. Use compatible connections (2 DF25 · 2 connectors Ø 200 mm), avoid unnecessary bends and use intended fixings. For odours, match a carbon filter to actual airflow and avoid leaking connections; reducing airflow too far can allow heat and humidity to build up.

Question 10

What are the concrete advantages of the Ducting Flange system for regulating the ventilation flow in the Dark Room 150 compared to other systems on the market?

Accepted Answer

Dark Room DR150 R4.00 is not “flangeless”: it uses 2 DF25 · 2 connectors Ø 200 mm. The cutting tool opens the cover at the supports as instructed. It is not for shortening the tent or altering its frame. Plan duct routes before cutting, fit supports correctly and check joints after installing connectors. Arbitrary or oversized cuts outside this system have no guaranteed seal.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 11

What is the average electricity consumption with moderate extraction in the Dark Room 150x150x217 grow box based on the set air flow rate and overall efficiency obtained?

Accepted Answer

The tent itself uses no electricity. For each device: actual watts ÷ 1,000 × operating hours = kWh; multiply by your electricity tariff. Add lighting, extraction, circulation and other devices using their own operating times. Yield or profitability cannot be inferred from electricity use alone.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 12

Box Dark Room 150 cm, durable inox metal, 360 degrees access: modular extraction for optimal micro-culture?

Accepted Answer

Allow usable access around the 150 × 150 cm Dark Room DR150 R4.00. Arrange pots and devices so doors open and plants and connectors can be reached without moving everything. Openings do not increase growing area; they make maintenance easier.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 13

What are the possible choices for positioning the extraction and the cable passages to optimize the ventilation and limit heat in the Dark Room 150 box?

Accepted Answer

Dark Room DR150 R4.00 is not “flangeless”: it uses 2 DF25 · 2 connectors Ø 200 mm. The cutting tool opens the cover at the supports as instructed. It is not for shortening the tent or altering its frame. Plan duct routes before cutting, fit supports correctly and check joints after installing connectors. Arbitrary or oversized cuts outside this system have no guaranteed seal.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Question 14

Does the extraction system allow for efficient air flow regulation to limit noise without sacrificing ventilation?

Accepted Answer

The Dark Room DR150 R4.00 tent has no documented acoustic rating. Noise depends on the extractor, its speed, ducts and transmitted vibration. Use compatible connections (2 DF25 · 2 connectors Ø 200 mm), avoid unnecessary bends and use intended fixings. For odours, match a carbon filter to actual airflow and avoid leaking connections; reducing airflow too far can allow heat and humidity to build up.

Question 15

What is the average electrical consumption for the Dark Room 150 R4.00 grow box under optimal operation and what ventilation flow rate is recommended for maximum yield on 1.5x1.5 m?

Accepted Answer

The tent itself uses no electricity. For each device: actual watts ÷ 1,000 × operating hours = kWh; multiply by your electricity tariff. Add lighting, extraction, circulation and other devices using their own operating times. Yield or profitability cannot be inferred from electricity use alone.Dark Room DR150 R4.00 has 2 DF25 · 2 connectors Ø 200 mm. These are openings, not built-in fans. Arrange the inlet and exhaust so fresh air does not immediately leave again, and provide suitable circulation around the foliage. Size actual airflow with the filter, bends and duct length in mind; check temperature and humidity, including after lights switch off. Air renewal cannot cool the enclosure below incoming-air temperature. Manufacturer configuration reference: 650 m³/h extraction with a filter. This is a sizing example, not measured installed flow or a VPD guarantee; adapt it to actual equipment and climate.

Assembled dimensions	150 × 150 × 217 cm
Nominal footprint	2.25 m² nominal
Nominal volume	4.88 m³
Reflective fabric	Mylar M400D
Pole diameter	Ø 25 mm
Net weight	26.8 kg
Hanging load	25 kg per bar · 75 kg total, distributed
Ventilation openings	2 DF25 · 2 connectors Ø 200 mm
Cable openings	2 × CF7
Growing equipment	Add lighting, extraction, air circulation, a filter if needed, pots and growing medium separately.
Floor tray	1 removable tray(s)

Shape	Square
Dimensions	150 × 150 × 217 cm
Material	Stainless steel #201 · Mylar M400D
Growing area	2.25 m² (nominal footprint)
Weight (kg)	26.8
Mylar density	M400D
Ventilation opening diameter (mm)	2 DF25 · 2 connectors Ø 200 mm
Included accessories	Cover and frame, 3 hanging bars, 1 removable tray(s); 2 DF25 · 2 connectors Ø 200 mm. Plant support net(s) and Space Booster wall supports included.
Max load (kg)	75 (25 per bar)
Usable area	2.25 m² (nominal footprint)

Secret Jardin Dark Room DR150 R4.00 – grow tent 150 × 150 × 217 cm

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1 pack including this product

Choose your pack

Complete pack 150x150cm – SpectraWild L900 PRO - Box DarkRoom 150x150x220 cm - Ventilation kit - Pots and potting soil

Product presentation

Your growing space.
2.25 m² of floor space.

150 × 150 cm: leave room for access.

What is included

What you need to add

Details that shape your setup

Reflective walls around the growing area

Choose where the openings go

An accessible base for cleaning

Assemble, equip, then check

Assemble the frame and cover

Position equipment with enough clearance

Test airflow with equipment running

Simple access for maintenance

Specifications: Dark Room DR150 R4.00

A question about your setup?

Access from several sides to organise lighting and maintenance.

Features detailed

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