Grow Room Advice
Heatwave Survival Tips for Hydroponic Growers
Heatwave Survival Tips for Hydroponic Growers Summer can be one of the most challenging times of year for hydroponic growers.
GHEDirect
22 May 2026
The Greenhouse Effect Blog
The Grow Room
How to Grow Thick, Fibrous White Roots in Deep Water Culture
Advanced: How to Grow Thick, Fibrous White Roots in a Deep Water Culture Grow System (Alien Silver Series Guide) In
GHEDirect
6 May 2026
Growing Advice
How to Increase Nutrient Uptake: Advanced Techniques That Work
Advanced Guide: How to Increase Nutrient Uptake If your plants aren’t performing the way they should, the issue often isn’t
GHEDirect
27 April 2026
Christmas 2022 Opening Times
The Greenhouse Effect
12 December 2022
🎅🎄Our Christmas opening times are as follows…🎄🎅 Our Xmas Opening times are as follows… This year we are closed from Christmas
Christmas Gift Bundles 2022
The Greenhouse Effect
8 December 2022
We’ve put together some gift bundles for the 2022 Xmas season… starting with houseplant and propagation bundles, the perfect Christmas
Quick Guide to Fulvic & Humic
The Greenhouse Effect
1 December 2022
Today we’re going to take a quick look at Fulvic & Humic… So, what are they and when do we
Product Spotlight: Psycho Myco
The Greenhouse Effect
28 November 2022
“Crazy Roots For Crazy Fruits” Psycho Myco is the brainchild of a green-thumbed UK family with a long history in
Black Friday / Cyber Monday Deals
The Greenhouse Effect
24 November 2022
We are giving up to 60% discount on selected products! This year for Cyber Monday / Black Friday we are
Growing Pumpkins Hydroponically
The Greenhouse Effect
25 October 2022
Can you grow pumpkins using a hydroponic system? Pumpkin carving is an age-old Halloween tradition, and by nature, they are
Turn the Heat Up! 🔥
The Greenhouse Effect
15 October 2022
It’s that time of the year when the temperature drops… So… we must take measures to protect our plants from
Free Next Day Delivery*
The Greenhouse Effect
22 September 2022
We would just like to remind you all that we will continue to offer next-day delivery as standard! 🙂 That means
Special Offer on Chillers!
The Greenhouse Effect
21 September 2022
For a LIMITED TIME only we are offering a huge discount on Boyu Water Chillers! We’ve slashed the price on
Free Fulvic with Nutrient Orders
The Greenhouse Effect
20 September 2022
Limited-time offer for our customers… Free Terra Aquatica Fulvic with all nutrient orders over £50! We’re giving away a bottle
Bank Holiday Closure – Sept 19th
The Greenhouse Effect
14 September 2022
As a mark of respect for the funeral of Queen Elizabeth II, we will be closed on Monday 19th September
Our Visit to PhytoBalance Farms
The Greenhouse Effect
5 September 2022
We recently had the pleasure of paying a visit to our friends and good customers PhytoBalance, a local producer of
Guest Blog: Tomato Season Ends Early
The Greenhouse Effect
22 August 2022
The following update is courtesy of Wes @fig_grows_81. This is the latest and final update from Wes’ Tomato grow, the
Organic Nutrients: Tips & Giveaway!
The Greenhouse Effect
11 August 2022
Using organic nutrients for the first time, or thinking about going organic? Here are some useful tips to help you
Careers – Join The Team!
The Greenhouse Effect
1 August 2022
We’re always on the lookout for hardworking, driven, and passionate people to join our team! An interest in gardening and
What Our Customers Say
The Greenhouse Effect
20 July 2022
At The Greenhouse Effect we pride ourselves on our dedication to customer service, and endeavor to give the highest level
Plant Magic’s New Look Bottles
The Greenhouse Effect
1 July 2022
As always we are fully stocked with Plant Magic’s great selection of nutrients and additives… however please look out for
Our Best Selling Grow Systems
The Greenhouse Effect
9 June 2022
IWS 10 Litre Pro Remote System with Flexi Tank Have you considered using a Flood & Drain system?
Guest Blog: Hot Dunstable 🌶️🌶️🌶️
The Greenhouse Effect
1 June 2022
We’ve just received another guest blog from one of our customers, and this one is a great one from a
Wes’ Autopot XL System 🍅 (Pt 2)
The Greenhouse Effect
27 May 2022
Welcome back for Part Two of our very first guest blog by Wes @fig_grows_81… First of all, many thanks to
Platinum Jubilee Special Offers
The Greenhouse Effect
26 May 2022
To celebrate the Queen’s Platinum Jubilee 👑 we’ve decided to give you a royally generous 20% discount off of our
We’re back open on Sundays!
The Greenhouse Effect
4 May 2022
Following an exceptionally busy time for us during the lockdown where we offered click & collect 7 days a week,
Guest Blog: Wes & His Autopot XL System
The Greenhouse Effect
27 April 2022
We always love to see what our customers and followers are growing, and Wes (@fig_grows_81) caught our eye on social
LED Lighting – Staff Picks
The Greenhouse Effect
21 April 2022
If you are thinking of making the switch to LED grow lights from traditional HPS grow lights or looking to
The Growroom – Tobacco in DWC II
The Greenhouse Effect
21 April 2022
Welcome back to The Growroom for part two of our latest grow diary, in which we have been growing Tobacco
10% Digital Discount
The Greenhouse Effect
15 April 2022
Take advantage of our 10% discount both online and in-store! Whether you buy your horticulture & hydroponics supplies online through
Bank Holiday Opening Times
The Greenhouse Effect
12 April 2022
Our Easter Bank Holiday 🐇 opening times are as follows… – Friday 15th April – Closed– Saturday 16th April –
Roots Excelurator Back in Stock!
The Greenhouse Effect
28 March 2022
We’ve just got House & Garden Roots Excelurator back in stock! This powerful root stimulator ensures the explosive growth of
WIN the NEW LUMii 720w LED
The Greenhouse Effect
27 March 2022
The Greenhouse Effect teams up with LUMii Lighting for our exclusive Easter competition… WIN the NEW LUMii Black 720w LED
Unboxing the NEW LUMii Black LED
The Greenhouse Effect
25 March 2022
Let’s take a look at what’s inside the box of the new LUMii Black 720w LED… LUMii’s new high-performance LED
**BACK IN** RAM 12L Dehumidifier
The Greenhouse Effect
28 January 2023
Back in stock… the Rapid Air Movement 12 Litre Dehumidifier! There will be no more extra moisture in the air
Plagron Nutrients & Additives
The Greenhouse Effect
20 January 2023
Grow Legendary with Plagron Nutrients and Additives Empowering the passionate grower to achieve higher- yields and great quality results. We
Guest Blog: Hot Dunstable 🌶️ (Part 2)
The Greenhouse Effect
20 December 2022
We’ve just received part two of our feature guest blog from Hot Dunstable, written by local chilli grower Michael, who
Christmas 2022 Opening Times
The Greenhouse Effect
12 December 2022
🎅🎄Our Christmas opening times are as follows…🎄🎅 Our Xmas Opening times are as follows… This year we are closed from Christmas
Christmas Gift Bundles 2022
The Greenhouse Effect
8 December 2022
We’ve put together some gift bundles for the 2022 Xmas season… starting with houseplant and propagation bundles, the perfect Christmas
Quick Guide to Fulvic & Humic
The Greenhouse Effect
1 December 2022
Today we’re going to take a quick look at Fulvic & Humic… So, what are they and when do we
Product Spotlight: Psycho Myco
The Greenhouse Effect
28 November 2022
“Crazy Roots For Crazy Fruits” Psycho Myco is the brainchild of a green-thumbed UK family with a long history in
Black Friday / Cyber Monday Deals
The Greenhouse Effect
24 November 2022
We are giving up to 60% discount on selected products! This year for Cyber Monday / Black Friday we are
Growing Pumpkins Hydroponically
The Greenhouse Effect
25 October 2022
Can you grow pumpkins using a hydroponic system? Pumpkin carving is an age-old Halloween tradition, and by nature, they are
Turn the Heat Up! 🔥
The Greenhouse Effect
15 October 2022
It’s that time of the year when the temperature drops… So… we must take measures to protect our plants from
Free Next Day Delivery*
The Greenhouse Effect
22 September 2022
We would just like to remind you all that we will continue to offer next-day delivery as standard! 🙂 That means
Special Offer on Chillers!
The Greenhouse Effect
21 September 2022
For a LIMITED TIME only we are offering a huge discount on Boyu Water Chillers! We’ve slashed the price on
Free Fulvic with Nutrient Orders
The Greenhouse Effect
20 September 2022
Limited-time offer for our customers… Free Terra Aquatica Fulvic with all nutrient orders over £50! We’re giving away a bottle
Bank Holiday Closure – Sept 19th
The Greenhouse Effect
14 September 2022
As a mark of respect for the funeral of Queen Elizabeth II, we will be closed on Monday 19th September
Our Visit to PhytoBalance Farms
The Greenhouse Effect
5 September 2022
We recently had the pleasure of paying a visit to our friends and good customers PhytoBalance, a local producer of
Guest Blog: Tomato Season Ends Early
The Greenhouse Effect
22 August 2022
The following update is courtesy of Wes @fig_grows_81. This is the latest and final update from Wes’ Tomato grow, the
Organic Nutrients: Tips & Giveaway!
The Greenhouse Effect
11 August 2022
Using organic nutrients for the first time, or thinking about going organic? Here are some useful tips to help you
Careers – Join The Team!
The Greenhouse Effect
1 August 2022
We’re always on the lookout for hardworking, driven, and passionate people to join our team! An interest in gardening and
What Our Customers Say
The Greenhouse Effect
20 July 2022
At The Greenhouse Effect we pride ourselves on our dedication to customer service, and endeavor to give the highest level
Plant Magic’s New Look Bottles
The Greenhouse Effect
1 July 2022
As always we are fully stocked with Plant Magic’s great selection of nutrients and additives… however please look out for
Our Best Selling Grow Systems
The Greenhouse Effect
9 June 2022
IWS 10 Litre Pro Remote System with Flexi Tank Have you considered using a Flood & Drain system?
Guest Blog: Hot Dunstable 🌶️🌶️🌶️
The Greenhouse Effect
1 June 2022
We’ve just received another guest blog from one of our customers, and this one is a great one from a
Wes’ Autopot XL System 🍅 (Pt 2)
The Greenhouse Effect
27 May 2022
Welcome back for Part Two of our very first guest blog by Wes @fig_grows_81… First of all, many thanks to
Platinum Jubilee Special Offers
The Greenhouse Effect
26 May 2022
To celebrate the Queen’s Platinum Jubilee 👑 we’ve decided to give you a royally generous 20% discount off of our
We’re back open on Sundays!
The Greenhouse Effect
4 May 2022
Following an exceptionally busy time for us during the lockdown where we offered click & collect 7 days a week,
Guest Blog: Wes & His Autopot XL System
The Greenhouse Effect
27 April 2022
We always love to see what our customers and followers are growing, and Wes (@fig_grows_81) caught our eye on social
LED Lighting – Staff Picks
The Greenhouse Effect
21 April 2022
If you are thinking of making the switch to LED grow lights from traditional HPS grow lights or looking to
The Growroom – Tobacco in DWC II
The Greenhouse Effect
21 April 2022
Welcome back to The Growroom for part two of our latest grow diary, in which we have been growing Tobacco
10% Digital Discount
The Greenhouse Effect
15 April 2022
Take advantage of our 10% discount both online and in-store! Whether you buy your horticulture & hydroponics supplies online through
Bank Holiday Opening Times
The Greenhouse Effect
12 April 2022
Our Easter Bank Holiday 🐇 opening times are as follows… – Friday 15th April – Closed– Saturday 16th April –