CO2GRO
CO2GRO C1 CO2 Controller
Pickup available at Bansley Store
Usually ready in 24 hours
Shipping & Returns
Our current shipping rates are as follows:
- UK Orders Over £50 – Free Next Day Delivery
- UK Orders Under £50 – £8 (Next Day Delivery)
- UK Orders Next Day AM – £20
- UK Orders Saturday AM – £30
- International Orders DAP – Select between UPS or Fedex and we'll sort the rest. (All duty paid by us prior to shipping)
All parcels are fully tracked. Once your order has been dispatched, you’ll receive an email containing your tracking number.
If your order is classed as an oversized item OR deemed extra heavy, additional heavy shipping duty will be added at checkout when selecting your shipping options.
Returns
We want you to be completely satisfied with your purchase, but if you change your mind, you may cancel your order within 14 days of receipt for a full refund, provided the items are unused and in resalable condition.
Once your cancellation has been confirmed, you must return the items within 14 days, ideally in their original packaging.
Click & Collect
Order online and collect directly from our Sheffield OR Barnsley store. Once your order is ready, you’ll receive an email or phone confirmation with collection details. Please wait for confirmation before travelling to ensure your order is prepared.
Please have your order number ready to give to a member of staff when you arrive.
Sheffield Store:
GSH Retail Ltd
Unit 5, 230 Woodbourn Road
Sheffield
S9 3LQ
Barnsley Store:
GSH Retail Ltd
Unit 6, Rockingham Business Park
Rockingham Row, Birdwell
Barnsley, S70 5TW
Local Same Day Delivery Service
Our man in a van!
Same-Day Delivery Service
Enjoy fast, reliable, and fully discreet same-day delivery with Green Spirit when you order from our Sheffield store area.Whether you shop online or
in-store, we make getting your items easy,convenient, and secure.
Order Online
When placing your order through our website, simply select the Same-Day Local Delivery option at checkout.
- Free Same-Day Delivery on orders over £250.00
- Available customers within a 3-mile radius of our Sheffield store (S9 3LQ)
- Orders under £250.00 can still be delivered the same day for a £50.00
flat fee
Your order will be prepared and delivered directly to your
door the very same day, using our discreet delivery service.
Order In-Store
If you prefer to shop in person, visit our Sheffield
location to browse, purchase, and arrange delivery.
- Pay
in full for your items in-store - Choose
a delivery time and date that suits you best - Our
team will ensure a smooth and convenient handover
Discreet Delivery Promise
We understand the importance of privacy.
- All
our delivery vans are plain and unmarked, with no company
branding - Parcels
are packaged in plain or black wrapping for complete discretion
Delivery Requirements
To ensure everything runs smoothly:
- Customers
must be present at the agreed delivery time - Drivers
cannot wait for extended periods - If
the customer is not available, items will be returned to the store and a £50.00
redelivery fee will apply
Upon
delivery, we will request a order number, name and signature to
confirm receipt
Discreet Shipping
All orders from GSH Retail Ltd are packed securely and shipped in Plain unbranded boxes for your privacy. We understand that discretion is important, so no external markings or product details are visible on the packaging.
Each parcel is also wrapped in durable black film and sealed with fragile tape to ensure both security and protection in transit.
We take great care to make sure your order arrives safely, discreetly, and in perfect condition — every time.
Methods Of Payment
We accept a wide range of secure payment options for your convenience when shopping with GSH Retail LTD
You can pay using:
Visa, Mastercard, American Express, and Discover
Apple Pay, Google Pay, and Shop Pay
PayPal – Fast and secure online checkout with buyer protection
Klarna – Flexible payment options, including Pay in 3 instalments or Pay Later
Clearpay – Split your purchase into four interest-free payments
Weston Union– Supported for international customers
Cash In The Post - This is at your own risk! Please make sure it is signed for, tracked, and insured.
Manual Bank Transfer - Contact a member of staff to organise paying via bank transfer.
All transactions are processed securely through Shopify’s encrypted checkout. Your payment details are never shared directly with us.
Once your order is placed, you’ll receive an order confirmation email, followed by tracking details once your parcel has been dispatched.
Finance Options
We offer flexible finance options to make purchasing easier. You can choose to spread the cost of your order, all three options are interest-free and give you the flexibility to manage your payments in a way that suits you.
PayPal Pay in 3
PayPal Pay in 3 allows you to divide your purchase into three equal interest-free payments over two months. The first payment is made at checkout, followed by two automatic payments each month.
It is available on orders between £30 and £2,000, and approval is completed instantly through your PayPal account. You can view, manage, or make payments easily through the PayPal app or your online account.
Shop Pay
Shop Pay Installments lets customers pay for an order in smaller increments over time.When available, Shop Pay Installments is a great option to help you maximize your budget for orders between the following amounts, depending on your location:
Klarna
Klarna offers two flexible ways to pay. With Pay in 3 instalments, your order total is divided into three equal payments, taken every 30 days with no interest or fees when paid on time. Alternatively, you can choose Pay Later in 30 Days, allowing you to receive your order first and settle the balance within 30 days. Klarna provides instant approval at checkout, and all payments can be managed securely through the Klarna app.
Clearpay
Clearpay lets you spread the cost of your purchase into four equal interest-free payments, taken automatically every two weeks. The first instalment is paid at the time of purchase, and the remaining three are collected automatically over six weeks. Clearpay is available for orders between £30 and £1,000 and can be managed easily through the Clearpay app.
Important Information
All finance options are subject to eligibility and approval by the provider. Late or missed payments may affect your credit score, so please ensure funds are available when payments are due. For details about eligibility, limits, or payment schedules, please refer to the provider’s website or app.
Earning Points & Rewards
At GSH Retail we believe loyalty should be rewarded - Our Points & Rewards scheme allows you to collect points every time you shop and redeem them for discount codes to use on future purchases.
When you make a purchase through our website, you’ll automatically earn points based on the value of your order. These points are added to your account and can be saved or redeemed whenever you choose. Once you’ve collected enough points, you can exchange them for a unique coupon code that can be applied at checkout to reduce the cost of your next order.
Earn 5 Points for every £1 spent
Redeem 100 Points for £1 Store Credit
Your points never expire as long as your account remains active, and you can track your balance easily through your customer account dashboard. It’s our way of saying thank you for choosing GSH Retail Ltd
To redeem your points, simply log into your account, view your available balance, and follow the on-screen instructions to generate a discount code. Enter the code at checkout to instantly apply your reward.
The Brand-New CO2GRO C1 CO2 Controller: Elevate Your Growing Game!
The CO2GRO C1 CO2 Controller offers a practical, affordable, and highly effective way to control and dose CO2 levels in your grow space. Designed for both professional and hobbyist growers, this advanced controller allows precise fine-tuning of CO2 levels, unlocking the full potential of CO2 enrichment to maximize plant growth, quality, and yield.
Unleash the Power of CO2 Enrichment
Carbon dioxide (CO2) is a vital component of photosynthesis, the process that enables plants to convert light energy into chemical energy for growth. By increasing CO2 levels in your grow room, you can accelerate this process, leading to faster growth cycles, larger harvests, and superior crop quality. With the CO2GRO C1 Controller, growers can maintain the optimal CO2 concentration for their plants, typically between 1,000 and 1,200 ppm, to enhance photosynthesis and achieve outstanding results.
Key Features and Benefits
Accurate CO2 Monitoring & Control
The C1 Controller features an internal 2-channel low-drift NDIR CO2 sensor to measure and monitor CO2 levels with precision. This ensures your plants consistently receive the ideal concentration of CO2 for robust photosynthesis.
Benefits:
- Stimulates photosynthesis for faster growth.
- Ensures even CO2 distribution and prevents wastage.
- Enhances plant health and yield quality.
Multiple Operating Modes
- Increase/Decrease Mode: Precisely adjusts CO2 levels based on your desired range.
- Vent & Greenhouse Mode: Provides versatile options for different grow environments.
- Tracer Function: Allows you to track and monitor CO2 fluctuations over time.
Benefits:
- Adaptable to various growing conditions and strategies.
- Ensures consistent performance regardless of environment.
Advanced Monitoring Capabilities
The C1 Controller features day and night sensors and variable time zoom level charts to give you detailed insight into your grow room’s CO2 levels over time. The green backlit display makes monitoring easy, even in low-light conditions.
Benefits:
- Real-time and historical data for precise adjustments.
- Intuitive feedback for better decision-making.
Durable & User-Friendly Design
Built for reliability, the C1 Controller comes with a hold menu function for added convenience. It’s compact, durable, and easy to mount with included screws or Velcro tape, making it perfect for any grow room setup.
Benefits:
- Quick installation and setup.
- Reliable and long-lasting performance.
What’s Included with the C1 CO2 Controller?
- C1 Controller Unit
- Velcro Tape Strip
- User Manual
- Screws
These components ensure you’re ready to integrate the controller into your grow space right out of the box.
Why Choose the C1 CO2 Controller?
- Maximized Growth: Optimized CO2 levels fuel photosynthesis, resulting in larger, healthier plants.
- Higher Yields: CO2 enrichment improves flower size, density, and overall yield.
- Improved Quality: Achieve denser flowers, better trichome production, and enhanced potency.
- Efficient Growth Cycles: Shortened growth cycles save time and increase productivity.
- Energy Savings: Designed to complement LED lighting setups, the controller ensures efficient CO2 use for maximum ROI.
Implementing CO2 Enrichment for Optimal Results
- Maintain Ideal Conditions: Keep CO2 levels between 1,000-1,200 ppm, and ensure grow room temperatures remain between 28–32°C for optimal results, especially with LED lighting.
- Enhance Airflow: Use proper ventilation systems to evenly distribute CO2 and prevent stagnant air pockets.
- Monitor Light and Timing: Implement CO2 enrichment during the light cycle (12-18 hours/day) when plants are most active.
- Adjust Nutrient Levels: Plants grown with CO2 and LED lighting require higher EC levels to match their increased metabolic rate.
- Safety First: Ensure proper ventilation, follow storage guidelines, and use alarms or monitors for added security.
The Science Behind CO2 Enrichment
Elevated CO2 levels allow plants to absorb more light and convert it into energy, accelerating photosynthesis and biomass production. This directly translates into faster growth, increased yield, and improved quality, making CO2 enrichment a game-changer for indoor growers.
Take your indoor growing to the next level with the CO2GRO C1 CO2 Controller. Accurate, affordable, and packed with advanced features, it’s the ultimate tool for maximizing your grow room’s potential.
