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Best selling products: Best Hydroponic PH Calibration Solutions

Best-sellingHighest-rated products
Growth Technology Clonex Rooting Hormone Gel - 50ml
Rank 1
Growth Technology Clonex Rooting Hormone Gel - 50ml
(194)
£10.47 New
No used products available
Canna Coco A&B 1L Nutrients Hydroponics
Rank 2
Canna Coco A&B 1L Nutrients Hydroponics
(100)
£16.80 New
No used products available
CANNA Rhizotonic Hydroponic Root Stimulator 250ml
Rank 3
CANNA Rhizotonic Hydroponic Root Stimulator 250ml
(10)
£25.00 New
No used products available
CANNA PK 13/14 Bloom Booster 1L
Rank 4
CANNA PK 13/14 Bloom Booster 1L
(16)
£11.11 New
No used products available
Biobizz 1L Bio-Bloom Liquid Organic Fertilizer
Rank 5
Biobizz 1L Bio-Bloom Liquid Organic Fertilizer
(45)
£12.15 New
No used products available
Growth Technology Hydroponic pH Down 1 L Adjustment Solution (GT-PH1000)
Rank 6
Growth Technology Hydroponic pH Down 1 L Adjustment Solution (GT-PH1000)
(8)
£13.95 New
No used products available
CANNA Terra Vega Plant Supplement - 1L
Rank 7
CANNA Terra Vega Plant Supplement - 1L
(19)
£13.95 New
No used products available
CANNA Boost Accelerator Liquid - 5L
Rank 8
CANNA Boost Accelerator Liquid - 5L
(7)
£209.45 New
No used products available
Growth Technology Ionic Soil Bloom Fertilizer for Flowering 1L
Rank 9
Growth Technology Ionic Soil Bloom Fertilizer for Flowering 1L
(25)
£10.95 New
No used products available
Canna Cannazym Food Supplement 1L
Rank 10
Canna Cannazym Food Supplement 1L
(12)
£18.25 New
No used products available
Plant Rooting GEL Root T 150ml Gel4plugs
Rank 11
Plant Rooting GEL Root T 150ml Gel4plugs
(12)
£7.49 New
No used products available
Shogun Motorsports Sumo Active Flowering Booster and Stimulator 25L
Rank 12
Shogun Motorsports Sumo Active Flowering Booster and Stimulator 25L
£154.80 New
No used products available
Hydroponics SHOGUN Fertilisers Sumo Active Boost 250ml Flowering Bloom Booster
Rank 13
Hydroponics SHOGUN Fertilisers Sumo Active Boost 250ml Flowering Bloom Booster
(3)
£9.97 New
No used products available
Vitax 5ORG150 Organic Rooting GEL 150ml
Rank 14
Vitax 5ORG150 Organic Rooting GEL 150ml
(10)
£7.25 New
No used products available
Advanced Nutrients 232014 Bud Candy - 1L
Rank 15
Advanced Nutrients 232014 Bud Candy - 1L
(12)
£2.50 New
No used products available
Hy-gen Bud Link 5 Litre 5l BUDLINK Plant Silicon Hydroponics
Rank 16
Hy-gen Bud Link 5 Litre 5l BUDLINK Plant Silicon Hydroponics
£58.95 New
No used products available
Plant Magic Plus Magne-Cal + PK Booster - 1 L
Rank 17
Plant Magic Plus Magne-Cal + PK Booster - 1 L
(3)
£10.50 New
No used products available
Biobizz 5l Top-max Liquid
Rank 18
Biobizz 5l Top-max Liquid
(3)
£79.99 New
No used products available
CANNA Pk13/14 Bloom Booster - 250ml
Rank 19
CANNA Pk13/14 Bloom Booster - 250ml
(15)
£7.99 New
No used products available
Essentials PH Pen Digital Meter - 09-410-020
Rank 20
Essentials PH Pen Digital Meter - 09-410-020
(58)
£44.90 New
£21.99 Used
CANNA Coco Bottles Set (A B) 5L
Rank 21
CANNA Coco Bottles Set (A B) 5L
(27)
£42.00 New
No used products available
CANNA Terra Flores Plant Nutrients Hydroponics - 1L
Rank 22
CANNA Terra Flores Plant Nutrients Hydroponics - 1L
(24)
£14.30 New
No used products available
Plant Magic Magne-Cal Plus Plants Nutrient - 500ml
Rank 23
Plant Magic Magne-Cal Plus Plants Nutrient - 500ml
(10)
£10.80 New
No used products available
Biobizz Bio-Grow Fertilizer - 1 L
Rank 24
Biobizz Bio-Grow Fertilizer - 1 L
(23)
£10.50 New
No used products available
Growth Technology Liquid Silicon 1 Litre 1l Nutrient Management Hydroponics
Rank 25
Growth Technology Liquid Silicon 1 Litre 1l Nutrient Management Hydroponics
(3)
£4.88 New
No used products available
House and Garden 5x Shooting Powder 65g Sachets
Rank 26
House and Garden 5x Shooting Powder 65g Sachets
(1)
£6.85 New
No used products available
Advanced Nutrients Bud Blood Sachet 40g - Flower Enhancer
Rank 27
Advanced Nutrients Bud Blood Sachet 40g - Flower Enhancer
(8)
£12.30 New
No used products available
Advanced Nutrients Voodoo Juice 1 Litre 1l Root Stimulant Hydroponics
Rank 28
Advanced Nutrients Voodoo Juice 1 Litre 1l Root Stimulant Hydroponics
(4)
£55.69 New
No used products available
CANNA Rhizotonic Vegetative Stimulator - 250ml
Rank 29
CANNA Rhizotonic Vegetative Stimulator - 250ml
(6)
£13.99 New
No used products available
CANNA CANNACURE Concentrated Foliar Nutrient - 1L
Rank 30
CANNA CANNACURE Concentrated Foliar Nutrient - 1L
(8)
£14.97 New
No used products available
CANNA CA1440 Rhizotonic 5L Root Growth Plants Nutrient
Rank 31
CANNA CA1440 Rhizotonic 5L Root Growth Plants Nutrient
(1)
No new products available
No used products available
Rock Resinator Heavy Yields Fertilizer - 5L
Rank 32
Rock Resinator Heavy Yields Fertilizer - 5L
£199.90 New
No used products available
Biobizz Fish-Mix Hydroponics Simulator, 1L - 722959
Rank 33
Biobizz Fish-Mix Hydroponics Simulator, 1L - 722959
(10)
£13.53 New
No used products available
SHOGUN Samurai Coco Multipack Hydroponic Nutrient Feed & Boosters Starter Pack
Rank 34
SHOGUN Samurai Coco Multipack Hydroponic Nutrient Feed & Boosters Starter Pack
(1)
£39.85 New
No used products available
Plant Magic Plus Soil Bloom 1l Old Timer Organic Nutrient Full Flavour & Aroma
Rank 35
Plant Magic Plus Soil Bloom 1l Old Timer Organic Nutrient Full Flavour & Aroma
(11)
£12.99 New
No used products available
Growth Technology Ph up 250ml Hydroponic Adjustment Solution
Rank 36
Growth Technology Ph up 250ml Hydroponic Adjustment Solution
(10)
£6.99 New
No used products available
Atami Bloombastic - 1250ml
Rank 37
Atami Bloombastic - 1250ml
£26.71 New
No used products available
Buffer 7 Ph Calibration Solution 250ml
Rank 38
Buffer 7 Ph Calibration Solution 250ml
(5)
£6.93 New
No used products available
Plant Magic Plus Evolution 500ml Vigorous Growth Boost for Big Plants & Yields
Rank 39
Plant Magic Plus Evolution 500ml Vigorous Growth Boost for Big Plants & Yields
(8)
£11.94 New
No used products available
Rock Resinator Heavy Yields Stimulator - 1L
Rank 40
Rock Resinator Heavy Yields Stimulator - 1L
(3)
£56.94 New
No used products available
General Hydroponics FloraBloom 1l Liquid Bloom Promoter (BC05)
Rank 41
General Hydroponics FloraBloom 1l Liquid Bloom Promoter (BC05)
(4)
£4.88 New
No used products available
Bluelab Truncheon EC Stick Nutrient Meter CF PPM Strength Control Hydroponics
Rank 42
Bluelab Truncheon EC Stick Nutrient Meter CF PPM Strength Control Hydroponics
(24)
£89.95 New
£42.32 Used
Terra Aquatica Calcium Magnesium Supplement 1L Terra Aquatica / GHE T.A. CalMag
Rank 43
Terra Aquatica Calcium Magnesium Supplement 1L Terra Aquatica / GHE T.A. CalMag
£13.95 New
No used products available
Superthrive VI30148 Plant Food Supplement - 4oz
Rank 44
Superthrive VI30148 Plant Food Supplement - 4oz
(34)
£14.44 New
No used products available
250ml Growth Technology Liquid Silicon Nutrient Strengthen Plant
Rank 45
250ml Growth Technology Liquid Silicon Nutrient Strengthen Plant
(4)
£6.75 New
No used products available
Growth Technology Conductivity Standard 300ml EC Calibration Fluid Hydroponics
Rank 46
Growth Technology Conductivity Standard 300ml EC Calibration Fluid Hydroponics
(6)
£1.93 New
No used products available
Dutch Pro Hydro Coco Bloom Original Grow A and B Set of 2x5L
Rank 47
Dutch Pro Hydro Coco Bloom Original Grow A and B Set of 2x5L
(7)
£34.99 New
No used products available
Dutch Pro Soil Grow 1 Litre 1l a B Veg Plant Feed Nutrients Hydroponics
Rank 48
Dutch Pro Soil Grow 1 Litre 1l a B Veg Plant Feed Nutrients Hydroponics
(3)
£17.95 New
No used products available
Dutch Pro Original Hydro Coco Grow a B 1 Litre 1l Plant Nutrients Hydroponics
Rank 49
Dutch Pro Original Hydro Coco Grow a B 1 Litre 1l Plant Nutrients Hydroponics
(9)
£14.95 New
No used products available
CANNA Aqua Flores Complete Nutrient for Plants - 1L
Rank 50
CANNA Aqua Flores Complete Nutrient for Plants - 1L
(6)
£16.40 New
No used products available
Growth Technology Clonex Mist 750ml Hydroponic Propagation Misting Spray
Rank 51
Growth Technology Clonex Mist 750ml Hydroponic Propagation Misting Spray
(2)
£19.95 New
No used products available
VitaLink Plant Start 1l - PlantStart Seedling Cutting VitaLink Reseller 1 Litre
Rank 52
VitaLink Plant Start 1l - PlantStart Seedling Cutting VitaLink Reseller 1 Litre
£10.99 New
No used products available
IONIC Coco Bloom Nutrient 5 Litre 5l
Rank 53
IONIC Coco Bloom Nutrient 5 Litre 5l
(1)
£29.90 New
No used products available
House & Garden Root Excelurator - 1 L (9434)
Rank 54
House & Garden Root Excelurator - 1 L (9434)
£24.95 New
No used products available
SUPERthrive 480ml Plant Food Supplement
Rank 55
SUPERthrive 480ml Plant Food Supplement
(2)
£39.90 New
No used products available
Athena Nutrients - Pro Line - Core 4.5kg (10lbs)
Rank 56
Athena Nutrients - Pro Line - Core 4.5kg (10lbs)
£105.95 New
No used products available
Biobizz Bio Bloom 500ml - Organic Plant Flowering Nutrient REDUCED
Rank 57
Biobizz Bio Bloom 500ml - Organic Plant Flowering Nutrient REDUCED
(3)
£8.49 New
No used products available
Hydrogarden Root T 05-250-005 125ml First Feed
Rank 58
Hydrogarden Root T 05-250-005 125ml First Feed
(14)
£7.19 New
No used products available
Biobizz 500 Ml Acti-vera Botanic Activator 500ml
Rank 59
Biobizz 500 Ml Acti-vera Botanic Activator 500ml
(2)
£13.95 New
No used products available
CANNA Rhizotonic 5L
Rank 60
CANNA Rhizotonic 5L
£14.85 New
No used products available
Vitalink Buddy 5L - Flowering Bloom Boost Additive
Rank 61
Vitalink Buddy 5L - Flowering Bloom Boost Additive
£37.95 New
No used products available
Advanced Floriculture Bloom FINAL 300ml YB Yellow Bottle
Rank 62
Advanced Floriculture Bloom FINAL 300ml YB Yellow Bottle
£28.60 New
No used products available
CANNA CalMag Agent 1L
Rank 63
CANNA CalMag Agent 1L
(10)
£2.50 New
No used products available
Advanced Nutrients Bud Candy 250ml Genuine Bottle Hydroponics 0
Rank 64
Advanced Nutrients Bud Candy 250ml Genuine Bottle Hydroponics 0
(9)
£11.49 New
No used products available
SUPERthrive VI30162 960ml Plant Food Supplement
Rank 65
SUPERthrive VI30162 960ml Plant Food Supplement
£68.32 New
No used products available
CANNA Aqua Vega A+B Plant Food Nutrients Set - 1L
Rank 66
CANNA Aqua Vega A+B Plant Food Nutrients Set - 1L
(7)
£16.95 New
No used products available
Growth Technology Ionic Hydro Bloom SW 1l Plant Nutrient Hydroponics 1 Litre
Rank 67
Growth Technology Ionic Hydro Bloom SW 1l Plant Nutrient Hydroponics 1 Litre
(2)
£11.11 New
No used products available
VitaLink 250 Ml CalMag Helps Plant Development
Rank 68
VitaLink 250 Ml CalMag Helps Plant Development
(5)
£9.99 New
No used products available
BioBizz Microbes 150g Hydroponic Beneficial Bacteria Enzymes Trichoderma
Rank 69
BioBizz Microbes 150g Hydroponic Beneficial Bacteria Enzymes Trichoderma
£56.45 New
No used products available
Plagron Bat Guano 1l Tub/ 655g Organic Fertilizer 1 Litre
Rank 70
Plagron Bat Guano 1l Tub/ 655g Organic Fertilizer 1 Litre
(3)
£14.95 New
No used products available
Root Excelurator 500ml Pippet House and Garden
Rank 71
Root Excelurator 500ml Pippet House and Garden
(2)
£59.90 New
No used products available
CANNA BIO BOOST 1 LITRE - YIELD ENHANCER - FLOWER BOOSTER - HYDROPONICS
Rank 72
CANNA BIO BOOST 1 LITRE - YIELD ENHANCER - FLOWER BOOSTER - HYDROPONICS
(1)
£40.60 New
No used products available
Athena IPM Broad Spectrum Pest Control - 0.9L
Rank 73
Athena IPM Broad Spectrum Pest Control - 0.9L
£58.99 New
No used products available
Advanced Floriculture Bloom OOZE 1L 1 Litre YB Yellow Bottle 1 Litre
Rank 74
Advanced Floriculture Bloom OOZE 1L 1 Litre YB Yellow Bottle 1 Litre
£28.95 New
No used products available
Growth Technology Ionic Coco Grow 1l Plant Nutrient Hydroponics 1 Litre
Rank 75
Growth Technology Ionic Coco Grow 1l Plant Nutrient Hydroponics 1 Litre
(6)
£10.08 New
No used products available
SMC Spidermite Control - 100ml
Rank 76
SMC Spidermite Control - 100ml
(18)
£13.95 New
No used products available
CANNA 1l Bio Flores by Hydrogarden
Rank 77
CANNA 1l Bio Flores by Hydrogarden
(6)
£15.15 New
No used products available
Plagron Sugar Royal 1 Litre 1l - Organic Resin Crystal Stimulator
Rank 78
Plagron Sugar Royal 1 Litre 1l - Organic Resin Crystal Stimulator
£50.64 New
No used products available
Ionic Hydro Grow 5 L Soft Water Express Delivery 10 Pairs of Gloves
Rank 79
Ionic Hydro Grow 5 L Soft Water Express Delivery 10 Pairs of Gloves
(1)
£29.90 New
No used products available
1l Growth Technology Nitrozyme Concentrate 1 Litre
Rank 80
1l Growth Technology Nitrozyme Concentrate 1 Litre
(1)
£31.92 New
No used products available
BioBizz Bio-Bloom Liquid 500ml
Rank 81
BioBizz Bio-Bloom Liquid 500ml
(8)
£8.99 New
No used products available
VitaLink Buddy 250ml
Rank 82
VitaLink Buddy 250ml
(1)
£6.99 New
No used products available
Biobizz Bio Grow & Bio Bloom & Top Max – 1 Litre of Each Bundle
Rank 83
Biobizz Bio Grow & Bio Bloom & Top Max – 1 Litre of Each Bundle
(8)
£39.99 New
No used products available
GHE Flora Micro 5l - General Hydroponics Plant Nutrient Soft Water 5 Litres
Rank 84
GHE Flora Micro 5l - General Hydroponics Plant Nutrient Soft Water 5 Litres
£42.65 New
No used products available
Blossom Blood Flowering Booster Additive Nutrient - 300g
Rank 85
Blossom Blood Flowering Booster Additive Nutrient - 300g
£11.50 New
No used products available
SHOGUN Samurai Hydro Bloom a B 5l - Soft Water 5 Litre
Rank 86
SHOGUN Samurai Hydro Bloom a B 5l - Soft Water 5 Litre
£42.90 New
No used products available
Plagron Mega Worm Humus Earthworm 1l Substrate Ammedante Additive Compost
Rank 87
Plagron Mega Worm Humus Earthworm 1l Substrate Ammedante Additive Compost
(1)
£12.95 New
No used products available
General FloraGro Hydroponics Plant Nutrient - 5L
Rank 88
General FloraGro Hydroponics Plant Nutrient - 5L
(2)
£35.90 New
No used products available
Plant Magic Root Stimulant1 Litre Hydroponics
Rank 89
Plant Magic Root Stimulant1 Litre Hydroponics
(3)
£19.99 New
No used products available
Vitalink Coir Max A B 5 Litre 5L Soft Water Coco Grow Nutrients Hydroponics
Rank 90
Vitalink Coir Max A B 5 Litre 5L Soft Water Coco Grow Nutrients Hydroponics
£32.99 New
No used products available
VitaLink Earth Max 5 Litre 5l Soil Bloom Plant Food Nutrients Hydroponics
Rank 91
VitaLink Earth Max 5 Litre 5l Soil Bloom Plant Food Nutrients Hydroponics
£23.49 New
No used products available
Advanced Nutrients Bud X Factor 250ml Hydroponics Delivery
Rank 92
Advanced Nutrients Bud X Factor 250ml Hydroponics Delivery
(2)
£10.40 New
No used products available
Amino Treatment House & Garden 100ml 100l
Rank 93
Amino Treatment House & Garden 100ml 100l
£17.95 New
No used products available
Growth Technology Liquid Oxygen 5l Hydroponics Plant 11.9 Hydrogen Peroxide
Rank 94
Growth Technology Liquid Oxygen 5l Hydroponics Plant 11.9 Hydrogen Peroxide
(2)
£34.95 New
No used products available
Green Planet Massive Bloom 1l Flowering Nutrient 1 Litre
Rank 95
Green Planet Massive Bloom 1l Flowering Nutrient 1 Litre
(4)
£18.90 New
No used products available
VitaLink 05-201-225 5 Litre Coir Max Hard Water Pack of 2 (A and B) - Blue
Rank 96
VitaLink 05-201-225 5 Litre Coir Max Hard Water Pack of 2 (A and B) - Blue
£32.99 New
No used products available
Advanced Nutrients Hammerhead 1 Litre 1l PK 410 Hydroponics
Rank 97
Advanced Nutrients Hammerhead 1 Litre 1l PK 410 Hydroponics
(1)
£2.50 New
No used products available
Plagron Coco a B 5l Plant Nutrient Cocos 5 Litres - 100ml Set
Rank 98
Plagron Coco a B 5l Plant Nutrient Cocos 5 Litres - 100ml Set
£15.75 New
No used products available
Atami BCUZZ Bloom Stimulator 1l - B'cuzz Bloei Stim Flowering Booster Additive
Rank 99
Atami BCUZZ Bloom Stimulator 1l - B'cuzz Bloei Stim Flowering Booster Additive
(1)
£30.99 New
No used products available
Dutch Pro Multi Total 1 Litre 1l Nutrient Uptake Enzyme Dead Roots Hydroponics
Rank 100
Dutch Pro Multi Total 1 Litre 1l Nutrient Uptake Enzyme Dead Roots Hydroponics
(2)
£27.99 New
No used products available