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  • Air Circulation Fans & Diffusers
  • CO2 Supplmentation
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  • Air Purification
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  • Full Climate Control
  • Trolmaster Ecosystem
  • AC Infinity Ecoystem
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  • Thermometers & Hygrometers
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  • Water Pumps & Reverse Osmosis
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  • CLEARANCE
  • Complete Grow Kits
    • LED Grow Tent Kits
    • HPS Grow Tent Kits
    • Propagation Tents & Kits
    • AC Infinity Tent Kits
  • Grow Lights
    Grow Lights
    • HPS Light Kits
    • LED Grow Lights
    • 1000w HPS Light Kits
    • CMH / CDM Light Kits
    • Propagation Grow Lights
    • UV Lighting
    Grow Light Components & Accessories
    • Ballasts
    • Lamps
    • Reflectors
    • Timers/Contactors/Controllers
    Lighting Brands
    • AC Infinity
    • Maxibright LED Grow Lights
    • Thinkgrow
  • Nutrients & Boosters
    Featured Nutrient Brands
    • FloraFlex Nutrients
    • Hydrotops Nutrients
    • Athena Nutrients
    • Monkey Nutrients
    Nutrient Brands
    • Athena Nutrients
    • BAC Nutrients
    • Monkey Nutrients
    • Buddhas Tree
    • Biobizz
    • Ecothrive
    • Dutch Pro
    • House & Garden
    • Shogun
    • Veg + Bloom Nutrients
    Nutrient Types
    • Base Nutrients
    • Finisher / Hardener
    • Nutrient Starter Kits
    • Nutrient Management (pH & EC)
    • Flowering Boosters
  • Fans, Filters & Air Control
    Extraction Kit, Fans & Filters
    • AC Infinity Extraction Kits
    • All Extraction Kits
    • Fan Speed Controllers
    • Grow Room Fans
    • CarboAir Carbon Filters
    • Rhino Carbon Filters
    • Can Carbon Filters
    • Intake Filters
    • All Carbon Filters
    Environment Control
    • Air Circulation Fans & Diffusers
    • CO2 Supplmentation
    • Humidity Control
    • Air Purification
    • Grow-Room Heating
    • Full Climate Control
    • Trolmaster Ecosystem
    • AC Infinity Ecoystem
    • Vivosun Ecoystem
    Tools & Accessories
    • Thermometers & Hygrometers
    • Ducting & Fittings
    • Extraction Hangers & Accessories
  • Growing Media
    • Soils & Organics
    • Coco
    • Rockwool
    • Clay Pebbles
    • NFT Spreader Matting
    • Perlite
  • Grow Systems and Pots
    Pots, Trays & Tanks
    • Plant Pots & Saucers
    • Flexi Tanks & Reservoirs
    • Buckets
    • Run-off & Work Trays
    Pipes and Pumps
    • Air Pumps / Air Stones
    • Irrigation Timers
    • Pipes, Hoses & Fittings
    • Water Pumps & Reverse Osmosis
    • Water Chillers / Water Heaters
    Hydroponic Growing Systems
    • AutoPot Systems
    • Brain Control Units
    • Dripper Systems
    • Deep Water Culture
    • Easy Feed Systems
    • Flood & Drain Systems
    • Aeroponic Systems
    • Run-to-Waste Systems
    • Flora Flex System
    • NFT Systems
  • Grow Tents & Sheeting
    • Tent Types
      • Tents Less than £150
      • Grow Tents | Width under 100cm
      • Grow Tents | Width 101 to 200cm
      • Grow Tents | Width 201 to 300cm
      • Grow Tents | Width 300cm+
      • Roof Grow Tents
      • Propagation Grow Tents
      • All Grow Tents
    • Featured Tents
      • Gorilla Box
      • Green Qube
      • Bud Box
    • Sheeting
      • Wall Sheeting
      • Floor Secure Sheeting
  • Propagation
    • Propagators
    • Propagation Tools
    • Propagation Media
    • Propagation Tents & Kits
    • Propagation Nutrients
  • Grow Tools
    • Beakers, Jugs, Syringes & Pipettes
    • Electrical
    • Equipment & Grow Light Hangers
    • Meters & Sensors
    • Odour Control
    • Other Tools
    • Plant Support
    • Sticky Tapes
    • Trimming, Drying & Curing
  • Pest & Disease Control
    • Grow Room Cleaning
    • General Pest Control
    • Leaf & Flower Mold / Rot Control
    • Root Disease Control
    • Sciarid Fly / Fungus Gnat Control
    • Spider Mite Control
    • Thrip Control
  • Useful Info
    • Earn Money!
    • UK and Worldwide Shipping Info
    • FAQ
    • Price Matching Policy

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Grow Tips

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Categories
All airlocks CUTTINGS floraflex irrigation LED lighting SEEDS undercanopy YearInReview
LED vs HPS: Cost Savings Explained

LED vs HPS: Cost Savings Explained

LEDAug 24, 2025
Benefits of Undercanopy Lighting

Benefits of Undercanopy Lighting

LEDApr 05, 2024
Best LED Grow Light For A Small Tent - 2022

Best LED Grow Light For A Small Tent - 2022

LEDFeb 09, 2022
LED Buyer Guide Part 4: MQ500 v MQ610

LED Buyer Guide Part 4: MQ500 v MQ610

LEDJul 19, 2021
LED Buyer Guide Part 3: Measure PPFD

LED Buyer Guide Part 3: Measure PPFD

LEDJul 13, 2021
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We’re not your average grow shop. The Hydro Bros kicked off in 2019 after one too many bad orders—we knew growers deserved better, so we built our own hydro store from the ground up. 🍻

We’re more than just a hydroponics equipment supplier—we’re a crew that drops knowledge as well as products. You’ll see it in our Trustpilot reviews, and on our socials. We’re always in the DMs, the comments, and right there in the grow trenches with you. 🌍

Based in London, we ship discreetly and globally, supplying everything from a first-time grow tent kit to a full pro setup with LED grow lights and advanced hydroponic nutrients. If it’s not proper, it doesn’t make the cut.

Whether you’re just starting out or you’re already stacking trophies, our grow store has your back. Need advice? Ring us, email us, or drop in to see us—we’re growers first, shopkeepers second.

This isn’t just a shop—it’s a grower movement. We got you. 🌱

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  • Unit 12 Progress Business Park, Progress Way, Croydon, CR04XD
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