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Free UK delivery on every order. Packed within 1 business day; typically delivered in 2–4 business days (3–6 for Highlands, islands and NI). Every parcel is tracked.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Free 30-day returns. Email us for a prepaid label — refunds land within 3–5 business days of the return arriving. Your statutory rights always apply on top.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Real people, real answers — email gardenluxe.co.uk@gmail.com with your order number or product question and we will reply within one business day.
CO2BAG® M 2-Pack are maintenance-free, organic CO₂ generator bags designed to raise carbon dioxide levels in grow tents and greenhouses to support faster, fuller plant growth.
These two Medium CO2BAG units deliver continuous, passive CO₂ enrichment for indoor gardens without the need for tanks, regulators, electricity, or daily upkeep. Each bag slowly releases CO₂ through a natural, heat-free fermentation process, making them suited for growers who want a simple, low-cost option to improve photosynthesis and speed maturity. The 2-pack covers larger areas or provides extended replacement intervals for steady supplementation across a full growing cycle.
The bags raise ambient CO₂ concentration around the canopy, which supports more efficient photosynthesis when light, nutrients, and water are adequate. Plants given additional CO₂ often develop sturdier stems and can allocate more energy to blooms and fruiting during peak light periods.
The two Medium bags are optimized for combined coverage up to about 4 m² (42 sq ft), ideal for larger tents or small greenhouses. You can hang both simultaneously across the canopy for even distribution or stagger installations to extend CO₂ supplementation over multiple months.
Installation is straightforward: hang each bag slightly above plant height and leave it in place. There are no hoses, regulators, or electrical connections; routine checks are only necessary to ensure proper placement and intact packaging.
CO2BAG uses an organic fermentation formula and is designed for indoor horticulture settings. It emits CO₂ without heat or harmful byproducts, making it compatible with household environments when installed as directed and combined with standard ventilation practices.
Who is this for: The CO2BAG® M 2-Pack is aimed at hobby and semi-professional indoor growers who need reliable, low-maintenance CO₂ enrichment across medium to larger grow spaces. It's a practical choice if you want a cost-effective way to boost growth and ripening without buying tanks or complex control systems. Choose this bundle if you run grow tents, small greenhouses, or multiple crop areas and prefer an organic, plug-free solution that integrates with existing light and nutrient regimes.
Q: Can I use CO2BAG® M with automated ventilation?
A: Yes. Use bags with timers or extractors but avoid excessive ventilation during lights-on hours to maintain elevated CO₂ levels.
Q: Do these bags require electricity or refills?
A: No. CO2BAG M operates passively without power or refills—just hang and replace when output declines.
Free UK delivery on every order — packed within 1 business day, arriving in 2–4 business days.
Free 30-day returns — email us for a prepaid label; refunds land within 3–5 business days of the return arriving.
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