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Looking after your mum - a guide to keeping perfect mother plants!
Propagating Success - how to propagate seeds and cuttings.
Growing With LED Lighting
Introduction to Organic Growing
Environment is Everything -perfect your grow room environment now!
Growing With Drip Irrigation
Establishing and Transplanting Young Plants
Winter Growing – changes to your growing style during the colder months.
Contact Us
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Critical Mass Systems
Home
Shop
Lighting
Propagation Lighting
LED Grow Lights
HID Lighting Kits
Ballasts
Reflectors
Spare Bulbs/Lamps
Lighting Accessories
Lighting Timers and Contactors
CDM Lighting
Environmental Control
Fan Controllers
Heaters and Accessories
Humidity Control
Co2 products & Accessories
Ventilation
Carbon Filters
Mixed Flow Carbon Filter Kits
Standard Carbon Filter Kits
Isomax Silent Fan Carbon Filter Kits
WhispAir EC Fan Silent Filtration kits
Ventilation Fans
Ducting and Accessories
Air Movement Fans
Odour Control
Fan Controllers
Growing Media
Coco Media
Soil/Organic media and amendments
Rockwool
Clay Pebbles & Other Media
Propagation
Propagators
Propagation Lighting
Propagation Media & Accessories
Propagation Nutrient & Boosters
Propagation Grow Tents
Propagation Kits & Grow Tent Kits
Nutrients & Additives
Base Nutrients
Flowering Boosters & Additives
Vegetative Boosters & Additives
Root Stimulants
Beneficial Bacteria, Enzymes and other Additives
Nutrient Control & Management
Organic Nutrients
Grow Tents & Sheeting
Grow Tents
Sheeting & Grow Room Building Accessories
Budget Grow Tent Kits
Budbox Pro White Tent Kits
LED Grow Tent Kits
Grow Tent Accessories
Budbox Lite Tent Kits
Grow Room Tools & Accessories
Measuring Equipment
Grow Room Tools
Plant Support
Pest & Disease Control
Pest Control Sprays & Accessories
Disease Control
Organic Cultivation
Organic Nutrients
Organic Media & Amendments
Hydro Systems, Drip Irrigation, Pots & Components
Irrigation Pumps & Accessories
Hydroponic Systems
Drip Irrigation Systems
Drip System Components
Pots, Saucers, Trays etc
Water Butts, Reservoirs & Tanks
Aeration Kits
Air Pumps & Accessories
Other System Components
Autopot Systems & Accessories
IWS Flood & Drain Systems
IWS Basic Systems
IWS Standard Systems
IWS Pro Systems
Hand Watering Kits
Hand Watering PRO Kits
Hand Watering Kits - standard
Critical Drip Systems
Critical Drip Systems - XL
Critical Drip Systems - standard
Critical Drip Systems - Lite
FloraFlex Big Mama Rockwool Drip Systems
About us
Information & Resources
Looking after your mum - a guide to keeping perfect mother plants!
Propagating Success - how to propagate seeds and cuttings.
Growing With LED Lighting
Introduction to Organic Growing
Environment is Everything -perfect your grow room environment now!
Growing With Drip Irrigation
Establishing and Transplanting Young Plants
Winter Growing – changes to your growing style during the colder months.
Contact Us
Click and Collect and Local Delivery Options
Price Match Policy
Privacy Policy
Delivery Information
Canna Spanner
£3.95
£3.95
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Durable plastic spanner for easy opening of Canna Nutrient bottles.
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