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Best selling products: Best General Organics Nutrients, Supplements & pH Control for Hydroponics

BestsellingTop Rated
FoxFarm Grow Big Liquid Concentrate - 1qt
Rank 1
FoxFarm Grow Big Liquid Concentrate - 1qt
(52)
$24.79 New
No used products available
FoxFarm Tiger Bloom Fertilizer - White, 1-Gallon
Rank 2
FoxFarm Tiger Bloom Fertilizer - White, 1-Gallon
(29)
$68.99 New
No used products available
FoxFarm FX14109 Dirty Dozen Starter Kit Nutrient Additive
Rank 3
FoxFarm FX14109 Dirty Dozen Starter Kit Nutrient Additive
(64)
$75.00 New
No used products available
MasterBlend 4-18-38 Tomato & Vegetable Fertilizer 5 Pound Formula
Rank 4
MasterBlend 4-18-38 Tomato & Vegetable Fertilizer 5 Pound Formula
(47)
$13.99 New
No used products available
Lot Of AEROGARDEN Supplies Liquid Plant Food Pod Refills & Accessories
Rank 5
Lot Of AEROGARDEN Supplies Liquid Plant Food Pod Refills & Accessories
(17)
$12.95 New
No used products available
General Hydroponics GH1532 pH Down Liquid Fertilizer - 1 Quart
Rank 6
General Hydroponics GH1532 pH Down Liquid Fertilizer - 1 Quart
(107)
$16.75 New
$10.00 Used
FoxFarm FX14019 Tiger Bloom Fertilizer - 1qt
Rank 7
FoxFarm FX14019 Tiger Bloom Fertilizer - 1qt
(53)
$24.79 New
No used products available
Advanced Nutrients Grow Micro Bloom Base Nutrient 1L - 3 Pieces
Rank 8
Advanced Nutrients Grow Micro Bloom Base Nutrient 1L - 3 Pieces
(41)
$15.97 New
No used products available
General Hydroponics pH Up Liquid Premium Buffering For pH Stability - 1 gal
Rank 9
General Hydroponics pH Up Liquid Premium Buffering For pH Stability - 1 gal
(16)
$32.79 New
No used products available
FoxFarm Bush Doctor Nutrients Fertilizer - 1lb (FX17010)
Rank 10
FoxFarm Bush Doctor Nutrients Fertilizer - 1lb (FX17010)
(7)
$19.88 New
No used products available
General Hydroponics 722125 pH Down Liquid Fertilizer - 1 Gallon
Rank 11
General Hydroponics 722125 pH Down Liquid Fertilizer - 1 Gallon
(50)
$32.99 New
No used products available
FoxFarm FX14011 Grow Big Hydroponic Liquid Concentrate Fertilizer - 1 Gallon
Rank 12
FoxFarm FX14011 Grow Big Hydroponic Liquid Concentrate Fertilizer - 1 Gallon
(4)
$79.95 New
No used products available
Botanicare BC32303 Plant Growth Enhancer - 1 Gallon
Rank 13
Botanicare BC32303 Plant Growth Enhancer - 1 Gallon
(16)
$20.69 New
No used products available
General Hydroponics CALiMAGic GH1772 Calcium-Magnesium Supplement - 0.25 gal
Rank 14
General Hydroponics CALiMAGic GH1772 Calcium-Magnesium Supplement - 0.25 gal
(55)
$21.89 New
No used products available
FoxFarm FX14007 Grow Big Soil Liquid Concentrate Fertilizer - 1 Gallon
Rank 15
FoxFarm FX14007 Grow Big Soil Liquid Concentrate Fertilizer - 1 Gallon
(29)
$74.95 New
No used products available
Xtreme Gardening 721205 Mykos 2.2lbs.
Rank 16
Xtreme Gardening 721205 Mykos 2.2lbs.
(32)
$29.79 New
No used products available
Advanced Nutrients 6360-14 Sensi Cal Mag Xtra Fertilizer - 1L
Rank 17
Advanced Nutrients 6360-14 Sensi Cal Mag Xtra Fertilizer - 1L
(29)
$23.89 New
No used products available
Advanced Nutrients Rhino Skin Potassium Silicate - 1L
Rank 18
Advanced Nutrients Rhino Skin Potassium Silicate - 1L
(25)
$19.88 New
No used products available
Plant Success Great White Mycorrhizae Powder - 4oz
Rank 19
Plant Success Great White Mycorrhizae Powder - 4oz
(65)
$32.95 New
No used products available
Plant Success Great White Mycorrhizae - 8 oz
Rank 20
Plant Success Great White Mycorrhizae - 8 oz
(36)
$49.97 New
No used products available
General Hydroponics pH Up Liquid 32 Oz
Rank 21
General Hydroponics pH Up Liquid 32 Oz
(7)
$16.75 New
No used products available
Roots Organics 3 Cubic Foot Plant in Bag Fertilizer
Rank 22
Roots Organics 3 Cubic Foot Plant in Bag Fertilizer
(4)
$64.99 New
No used products available
General Hydroponics MaxiGro Plant Food - 2.2lbs
Rank 23
General Hydroponics MaxiGro Plant Food - 2.2lbs
(13)
$18.99 New
No used products available
MasterBlend 4-18-38 Fertilizer Combo Kit - 25lbs
Rank 24
MasterBlend 4-18-38 Fertilizer Combo Kit - 25lbs
(10)
$24.95 New
No used products available
Plant Success Great White Mycorrhizae - 1 Quart
Rank 25
Plant Success Great White Mycorrhizae - 1 Quart
$115.00 New
No used products available
Canna 9321001 Rhizotonic Rooting Stimulator - 10L
Rank 26
Canna 9321001 Rhizotonic Rooting Stimulator - 10L
(4)
$48.95 New
No used products available
Advanced Nutrients Rhino Skin Fertilizer 250ml
Rank 27
Advanced Nutrients Rhino Skin Fertilizer 250ml
(31)
$11.69 New
No used products available
Advanced Nutrients 6101-15 Lawn Nutrient Package, 4 L
Rank 28
Advanced Nutrients 6101-15 Lawn Nutrient Package, 4 L
(4)
$45.99 New
No used products available
General Hydroponics Hgc732802 Armor SI Plant Growth Enhancement Quart
Rank 29
General Hydroponics Hgc732802 Armor SI Plant Growth Enhancement Quart
(25)
$21.38 New
No used products available
General Hydroponics HGC718015 Growth Stimulators - 1 gal
Rank 30
General Hydroponics HGC718015 Growth Stimulators - 1 gal
(33)
$36.85 New
No used products available
Dyna-Gro Grow Concentrate Liquid Plant Food Veg Nutrient 1 Quart / 32 FL Oz
Rank 31
Dyna-Gro Grow Concentrate Liquid Plant Food Veg Nutrient 1 Quart / 32 FL Oz
(25)
$21.99 New
No used products available
General Hydroponics GH Flora Series 16oz. Nutrients
Rank 32
General Hydroponics GH Flora Series 16oz. Nutrients
(22)
$32.90 New
No used products available
Dyna-Gro Liquid Grow Gallon Plant Food Fertilizer Hydroponics Bloom
Rank 33
Dyna-Gro Liquid Grow Gallon Plant Food Fertilizer Hydroponics Bloom
(10)
$57.99 New
No used products available
Advanced Nutrients 130115 Grow PH Fertilizer - 4L
Rank 34
Advanced Nutrients 130115 Grow PH Fertilizer - 4L
(4)
$35.99 New
No used products available
Advanced Nutrients Rhino Skin Potassium Hydroponic Additive - 10L
Rank 35
Advanced Nutrients Rhino Skin Potassium Hydroponic Additive - 10L
(1)
$142.99 New
No used products available
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular - 1 lb
Rank 36
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular - 1 lb
(31)
$22.99 New
No used products available
Xtreme HGC721205 Additives & Supplements - 2.2lbs
Rank 37
Xtreme HGC721205 Additives & Supplements - 2.2lbs
(5)
$32.80 New
No used products available
Advanced Nutrients pH Perfect Sensi Grow Part A 1L
Rank 38
Advanced Nutrients pH Perfect Sensi Grow Part A 1L
(7)
$18.00 New
No used products available
Hygrozyme Horticultural Enzyme Formula - 4L
Rank 39
Hygrozyme Horticultural Enzyme Formula - 4L
(1)
$15.99 New
No used products available
General Hydroponics MaxiBloom Plant Food for Flowers - 2.2 lbs
Rank 40
General Hydroponics MaxiBloom Plant Food for Flowers - 2.2 lbs
(32)
$19.85 New
No used products available
Mykos RT4401 Mycorrhizae Granular 1-Lb Pure Fresh Alive Xtreme Gardening
Rank 41
Mykos RT4401 Mycorrhizae Granular 1-Lb Pure Fresh Alive Xtreme Gardening
(5)
$21.89 New
No used products available
Advanced Nutrients 4020-15 Rhino Skin
Rank 42
Advanced Nutrients 4020-15 Rhino Skin
(6)
$58.40 New
No used products available
Plant Success PRPSGW01 Rooting Stimulator - 1oz
Rank 43
Plant Success PRPSGW01 Rooting Stimulator - 1oz
(38)
$17.41 New
No used products available
Fox Farm Open Sesame, Cha Ching and Beastie Bloomz Plant Nutrients Combo Pack Fertilizer - 6oz
Rank 44
Fox Farm Open Sesame, Cha Ching and Beastie Bloomz Plant Nutrients Combo Pack Fertilizer - 6oz
(8)
$19.99 New
No used products available
Emerald Triangle 719950 Sonic Bloom Fertilizer 1 LB
Rank 45
Emerald Triangle 719950 Sonic Bloom Fertilizer 1 LB
(8)
$41.99 New
No used products available
General Hydroponics FloraBloom Gh1432 2.5 Gallon
Rank 46
General Hydroponics FloraBloom Gh1432 2.5 Gallon
(5)
$93.96 New
No used products available
Rock GGRR1L Heavy Yields Nutrients Resinator - 1 Liter
Rank 47
Rock GGRR1L Heavy Yields Nutrients Resinator - 1 Liter
(13)
$21.95 New
No used products available
Advanced Nutrients pH Perfect Sensi Bloom Part A Liquid - 1L (610114)
Rank 48
Advanced Nutrients pH Perfect Sensi Bloom Part A Liquid - 1L (610114)
(7)
$10.00 New
No used products available
General Hydroponics FloraNova Bloom Liquid Supplement - 1 Quart
Rank 49
General Hydroponics FloraNova Bloom Liquid Supplement - 1 Quart
(10)
$23.49 New
No used products available
CANNA 9340005 Boost Accelerator - 5L
Rank 50
CANNA 9340005 Boost Accelerator - 5L
(8)
$349.94 New
No used products available
Botanicare 704080 Hydroguard Bacillus Root Inoculant
Rank 51
Botanicare 704080 Hydroguard Bacillus Root Inoculant
(21)
$68.50 New
No used products available
General Hydroponics Flora Series Gro Micro Bloom 1 Gallon Gal GH Grow Nutrient
Rank 52
General Hydroponics Flora Series Gro Micro Bloom 1 Gallon Gal GH Grow Nutrient
(37)
$34.90 New
No used products available
Nectar for The Gods TTG Tritons Trawl 1 Gallon
Rank 53
Nectar for The Gods TTG Tritons Trawl 1 Gallon
(1)
$74.95 New
No used products available
Advanced Nutrients 507014 Big Bud Coco 1 Liter
Rank 54
Advanced Nutrients 507014 Big Bud Coco 1 Liter
(8)
$32.95 New
No used products available
Botanicare NBHGQT Fertilizer - 1 Quart
Rank 55
Botanicare NBHGQT Fertilizer - 1 Quart
(52)
$7.59 New
No used products available
Xtreme Gardening Azos 12oz
Rank 56
Xtreme Gardening Azos 12oz
(17)
$40.99 New
No used products available
"General Hydroponics PH Test Kit, 1-Ounce"
Rank 57
"General Hydroponics PH Test Kit, 1-Ounce"
(61)
$10.99 New
No used products available
Botanicare BCPBPSGAL Fertilizer - 1 Gal
Rank 58
Botanicare BCPBPSGAL Fertilizer - 1 Gal
(3)
$56.95 New
No used products available
Element 1-34-32 Flower Fuel Premium Bloom Booster - 250g
Rank 59
Element 1-34-32 Flower Fuel Premium Bloom Booster - 250g
(31)
$28.99 New
No used products available
Advanced Nutrients Big Bud Powder - 5.5 lbs
Rank 60
Advanced Nutrients Big Bud Powder - 5.5 lbs
(7)
$21.69 New
No used products available
General Hydroponics FloraNova Grow GH1622 Fertilizer (718800)- 1 Quart
Rank 61
General Hydroponics FloraNova Grow GH1622 Fertilizer (718800)- 1 Quart
(30)
$27.49 New
No used products available
Humboldt County's Own Snow Storm Ultra 1 Quart - Plant Growth Nutrient QT
Rank 62
Humboldt County's Own Snow Storm Ultra 1 Quart - Plant Growth Nutrient QT
(2)
$46.99 New
No used products available
FoxFarm FX14107 1-Quart Bushdoctor Bembe Concentrate Fertilizer
Rank 63
FoxFarm FX14107 1-Quart Bushdoctor Bembe Concentrate Fertilizer
(15)
$29.26 New
No used products available
Botanicare Cal-Mag Plus Calcium, Magnesium and Iron Plant Supplement - 5gal.
Rank 64
Botanicare Cal-Mag Plus Calcium, Magnesium and Iron Plant Supplement - 5gal.
(8)
$204.89 New
No used products available
Green Green - GAIA GREEN Power Bloom Fertilizer (2kg)
Rank 65
Green Green - GAIA GREEN Power Bloom Fertilizer (2kg)
(5)
$29.59 New
No used products available
General Hydroponics MaxiGro Rapid Growth 16lb Concentrate (10-5-14)
Rank 66
General Hydroponics MaxiGro Rapid Growth 16lb Concentrate (10-5-14)
(3)
$88.95 New
No used products available
Roots Organics 1.5 cu ft. Rod Potting Soil
Rank 67
Roots Organics 1.5 cu ft. Rod Potting Soil
(16)
$37.99 New
No used products available
Botanicare Silica Blast Plant Biomass Yield Enhancer, 1-Quart (HGC732485)
Rank 68
Botanicare Silica Blast Plant Biomass Yield Enhancer, 1-Quart (HGC732485)
(13)
$24.59 New
No used products available
Bluelab Ph7250b Ph 7.0 Calibration Solution 250 Ml
Rank 69
Bluelab Ph7250b Ph 7.0 Calibration Solution 250 Ml
(5)
$14.99 New
No used products available
Advanced Nutrients Big Bud Liquid Bloom Booster Enhancer
Rank 70
Advanced Nutrients Big Bud Liquid Bloom Booster Enhancer
(5)
$32.99 New
No used products available
Heavy 16 Prime Concentrate 1 Gallon / 4 Liter Hydroponics Nutrient Grow Bloom
Rank 71
Heavy 16 Prime Concentrate 1 Gallon / 4 Liter Hydroponics Nutrient Grow Bloom
(2)
$140.99 New
No used products available
General Hydroponics 718799 FloraNova Grow & Bloom
Rank 72
General Hydroponics 718799 FloraNova Grow & Bloom
(21)
$21.09 New
No used products available
Technaflora Sugar Daddy Hydroponic Plant Supplement - 4L
Rank 73
Technaflora Sugar Daddy Hydroponic Plant Supplement - 4L
$79.99 New
No used products available
FoxFarm FX14029 2-Pound Beastie Bloomz
Rank 74
FoxFarm FX14029 2-Pound Beastie Bloomz
(8)
$48.95 New
No used products available
Advanced Nutrients Piranha Liquid 4l 4 - Beneficial Microbes Root Fungi Gram
Rank 75
Advanced Nutrients Piranha Liquid 4l 4 - Beneficial Microbes Root Fungi Gram
$150.99 New
No used products available
Advanced Nutrients 6550-15 Sensizym Fertilizer - 4 Liter
Rank 76
Advanced Nutrients 6550-15 Sensizym Fertilizer - 4 Liter
(7)
$79.85 New
No used products available
General Hydroponics Koolbloom Gardening Liquid - 1 Quart
Rank 77
General Hydroponics Koolbloom Gardening Liquid - 1 Quart
(37)
$25.85 New
No used products available
Botanicare Pure Blend Pro Bloom 1 Gallon Hydroponic Flowering Nutrients 1gal
Rank 78
Botanicare Pure Blend Pro Bloom 1 Gallon Hydroponic Flowering Nutrients 1gal
(13)
$52.98 New
No used products available
General Hydroponics FloraNova Bloom Liquid Nutrient Growth Formula - 1 gallon
Rank 79
General Hydroponics FloraNova Bloom Liquid Nutrient Growth Formula - 1 gallon
(30)
$73.85 New
No used products available
FoxFarm FX14103 Fertilizer
Rank 80
FoxFarm FX14103 Fertilizer
(11)
$19.49 New
No used products available
Technaflora Recipe for Success Starter Kit (TFPR02006)
Rank 81
Technaflora Recipe for Success Starter Kit (TFPR02006)
(47)
$52.99 New
No used products available
FoxFarm FX14045 Water Soluble Plant Foods
Rank 82
FoxFarm FX14045 Water Soluble Plant Foods
(20)
$78.98 New
No used products available
Spray-N-Grow 1 Liter Nutrient SPSNGL
Rank 83
Spray-N-Grow 1 Liter Nutrient SPSNGL
(1)
$42.00 New
$37.95 Used
Advanced Nutrients Connoisseur Grow A - 4L
Rank 84
Advanced Nutrients Connoisseur Grow A - 4L
(2)
$55.99 New
No used products available
Emerald Triangle Humboldt County Snow Storm Ultra - 1 Gallon
Rank 85
Emerald Triangle Humboldt County Snow Storm Ultra - 1 Gallon
(5)
$129.99 New
No used products available
General Hydroponics Floralicious Nutrient Additive - GH1391
Rank 86
General Hydroponics Floralicious Nutrient Additive - GH1391
(4)
$138.49 New
No used products available
General Hydroponics HGC718025 FloraBloom Advanced Nutrient System
Rank 87
General Hydroponics HGC718025 FloraBloom Advanced Nutrient System
(1)
$97.99 New
No used products available
FoxFarm Cha Ching 2 lb Nutrient Aditive Plant Food Fertilizers - FX14025
Rank 88
FoxFarm Cha Ching 2 lb Nutrient Aditive Plant Food Fertilizers - FX14025
(3)
$37.99 New
No used products available
Advanced Nutrients Rhino Skin Fertilizer 500ml
Rank 89
Advanced Nutrients Rhino Skin Fertilizer 500ml
(7)
$18.79 New
No used products available
Clonex Cloning Solution, 20ml - 18 Pack
Rank 90
Clonex Cloning Solution, 20ml - 18 Pack
(8)
$7.95 New
No used products available
CANNA 5 L Coco Part a B-veg Bloom Nutrient-developed for Run to Waste in COC
Rank 91
CANNA 5 L Coco Part a B-veg Bloom Nutrient-developed for Run to Waste in COC
(9)
$97.99 New
No used products available
Botanicare Silica Blast Plant Supplement 0-0-0.5 Formula 2.5-gallon
Rank 92
Botanicare Silica Blast Plant Supplement 0-0-0.5 Formula 2.5-gallon
(1)
$106.91 New
No used products available
Humboldt County's Own Purple Maxx - Emerald Triangle Snow Storm
Rank 93
Humboldt County's Own Purple Maxx - Emerald Triangle Snow Storm
$21.49 New
No used products available
Nirvana Organic Biostimulant (Advanced Nutrients) (355014)
Rank 94
Nirvana Organic Biostimulant (Advanced Nutrients) (355014)
(14)
$19.99 New
No used products available
Terpinator 749320 Fertilizer - 10L
Rank 95
Terpinator 749320 Fertilizer - 10L
(7)
$129.95 New
No used products available
Advanced Nutrients pH Sensi Grow Part A 10L
Rank 96
Advanced Nutrients pH Sensi Grow Part A 10L
(1)
No new products available
No used products available
FoxFarm Grow Big 32oz Hydroponic Nutrients
Rank 97
FoxFarm Grow Big 32oz Hydroponic Nutrients
(12)
$25.99 New
No used products available
Advanced Nutrients B-52 Fertilizer Booster 500ml
Rank 98
Advanced Nutrients B-52 Fertilizer Booster 500ml
(20)
$24.89 New
No used products available
GH RapidStart Rooting Simulators 275ml (GH1701)
Rank 99
GH RapidStart Rooting Simulators 275ml (GH1701)
(43)
$16.00 New
No used products available
Heavy 16 Roots 1l - Root Stimulator Enhancement Nutrient
Rank 100
Heavy 16 Roots 1l - Root Stimulator Enhancement Nutrient
(3)
$104.94 New
No used products available