Grow tents for indoor cultivation at home. Cultivate your passion too with Dark Room R3.0 obtaining excellent plants thanks to the available space.


Additional information

Weight 15 kg

120X120X200 cm


Highly reflective 210D Mylar sheet


Posts in stainless steel, diameter of 19 mm

Lighting recommended

Led systems, cmh lamps, hps

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The Dark Room R3.0 120x120x200 cm grow tent uk was specially designed for professionals. It is covered in Mylar fabric and has a patina effect that can reflect 95% of light, distribute evenly and avoid “hot spots”.

Thanks to the 19 mm diameter tube, its structure is very robust and reinforced by the Space Booster system to ensure that the walls of the grow tank remain rigid and prevent the extractor from inflating it from the inside. Equipped with multiple extraction sleeves and windows to create all possible configurations. These amazing indoor growing tent are opaque and waterproof.

The Dark Room R3.0 120x120x200 cm grow box has numerous sets of practical accessories, consisting of the Space Booster system and the Scrog WebIT system mesh. They also feature puller sleeves and larger diameters.

Dark Room R3.0: Affordable grow tent for indoor growing

Obviously, this growbox has an exceptional quality/price ratio and an average and discreet size for growing indoors with the aim of obtaining excellent results in terms of final yields of buds, without spending too much and remaining anonymous. In fact, it turns out to be a top quality indoor grow tent uk lined internally with Mylar reflective material with the aim of reflecting the light emanating from the cultivation lamp on all the plants, to ensure that they can grow at their best.

It is a grow box that can be used for the complete life cycle of plants, from germination, growth, to flowering. We at Eureka Grow Shop recommend correct use by evaluating in advance the quantity of plants that can possibly be grown in a small grow tent. Consult the best led lights for growboxes.




The Dark grow boxes are fantastic indoor growing tents from Secret Jardin, which has been producing these fantastic unique and inimitable models for years. Obviously, like all the Secret Jardin catalog, these grow box are among the favorites in the world market, all thanks to their quality and robustness. Beyond that, we can't forget for the world the fantastic Mylar reflective material inside them, which allows indoor plants to grow and bloom in the best way. In fact, thanks to the reflective material, they absorb a greater amount of light (obviously emanating from the indoor grow light).
Grow Box Secret Jardin



Secret Jardin grow box are the most chosen by world-class growers due to their quality and super cheap price. In addition to this, the specialties that stand out the most in these grow tents are two: their excellent strength and the presence of a fantastic reflective material inside them, which allows indoor plants to grow and bloom at their best by absorbing a excellent amount of light. In particular, in our catalog there are three grow box models of this spectacular brand, namely: Dark Box, Hydro Shoot and Lodge. In these grow boxes it is optimal to integrate an activated carbon filter for air circulation.

BOX 240x120x200

It is one of the most purchased grow boxes given its almost unlimited space where it is possible to grow a large amount of plant specimens. In particular, in ours are available the DARK ROOM 240X120X200, the HYDRO SHOOT BOX 240X120X200 and the PURE TENT BOX 240X120X200. Product available with free shipping.


We have been operating directly from the heart of Barcelona for about 7 years, as a seed bank and as a grow shop. In a short time we have confirmed ourselves among the best grow shops and head shops in all of Europe and the best in Barcelona. Since 2017 we have become official distributors of more than 70 Brands concerning indoor cultivation and head shops. Are you a reseller? Click here and find out how to become an official reseller to get grow shop products at bargain prices!

We provide the best guarantee for you loyal customers

Our Grow Shop Online does everything possible to deliver all products in the shortest possible time frame (24-48H). But if it is not possible we will deliver the item in 5-10 working days.

The shipment of our items is 100% safe, after shipping you will be informed via email and you will be provided with the parcel tracking code. For anonymous shipments, request (immediately after placing the order) via WhatsApp +39 3463229342

On our website you can pay by credit cards, debit cards and prepaid cards and also by bank transfer. Upon request, it is also possible to pay via Cryptocurrencies.

If you are an authorized reseller with a VAT number, you can order wholesale or retail products in a different way. Visit the RESELLER page and find out how to become an official Eureka Grow Shop reseller.