Hydroponic Additives & Supplements

542 products

Showing 25 - 48 of 542 products

Hydroponic Additives & Supplements by Category

Professor's Organic Grow Fast (1, 5 or 10L)
Soil Additives
Professor's Grow Fast (1L, 5L, 10L or 20L)
Grow Additives
Green Planet Massive Bloom Formulation (1L, 5L, or 20L)
Flowering Additives
Growth Technology Clonex Cloning Solution (250, 500mL, 1 or 5L)
Root Stimulators
Foliar Sprays
Foliar Sprays
Showing 25 - 48 of 542 products
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Save $1.34
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 100gXtreme Gardening Mykos Granular Mycorrhizal Inoculant - 100g
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 100g
$12.31 $13.65
Save $9.40
Professor's Go Roots (100mL, 250mL, 500mL, 1L)Professor's Go Roots (100mL, 250mL, 500mL, 1L)
Professor's Go Roots (100mL, 250mL, 500mL, 1L)
From $38.59 $47.99
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Save $8.09
Professor's Go Green (1L, 2.5L, 5L, 10L or 20L)Professor's Go Green (1L, 2.5L, 5L, 10L or 20L)
Professor's Go Green (1L, 2.5L, 5L, 10L or 20L)
From $27.55 $35.64
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Save $74.00
House and Garden Roots Excelurator - 250mL
House and Garden Roots Excelurator - 250mL
$95.95 $169.95
Save $11.41
Professor's Cloning Accelerator - 1Litre
Professor's Cloning Accelerator - 1Litre
$24.79 $36.20
Save $7.10
Professor's Starter Soak (2.5, 5 or 10L)Professor's Starter Soak (2.5, 5 or 10L)
Professor's Starter Soak (2.5, 5 or 10L)
From $20.19 $27.29
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GreenPlanet Karbo Boost (600g 1kg, 2.3kg or 11.3kg)GreenPlanet Karbo Boost (600g 1kg, 2.3kg or 11.3kg)
GreenPlanet Karbo Boost (600g 1kg, 2.3kg or 11.3kg)
From $23.91
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Save $13.14
SNT Worm Castings - 10L
SNT Worm Castings - 10L
$56.81 $69.95
Save $10.99
Professor's Grow Fast (1L, 5L, 10L or 20L)Professor's Grow Fast (1L, 5L, 10L or 20L)
Professor's Grow Fast (1L, 5L, 10L or 20L)
From $29.39 $40.38
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Save $13.04
ISN Fulvic Max (1, 5 or 20L)ISN Fulvic Max (1, 5 or 20L)
ISN Fulvic Max (1, 5 or 20L)
From $23.91 $36.95
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Save $23.82
Ozi Magic - Monsta Bud - 5L
Ozi Magic - Monsta Bud - 5L
$52.07 $75.89
Save $5.66
Cyco Platinum Series Supa Sticky (250mL, 1, 5 or 20L)Cyco Platinum Series Supa Sticky (250mL, 1, 5 or 20L)
Cyco Platinum Series Supa Sticky (250mL, 1, 5 or 20L)
From $19.11 $24.77
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Save $4.33
Cyco Platinum Series Silica (250mL, 1, 5 or 20L)Cyco Platinum Series Silica (250mL, 1, 5 or 20L)
Cyco Platinum Series Silica (250mL, 1, 5 or 20L)
From $17.62 $21.95
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Save $11.98
Cyco Platinum Series Potash Plus (250mL,1, 5 or 20L)Cyco Platinum Series Potash Plus (250mL,1, 5 or 20L)
Cyco Platinum Series Potash Plus (250mL,1, 5 or 20L)
From $12.97 $24.95
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Save $33.00
House and Garden Top Shooter - 250mL
House and Garden Top Shooter - 250mL
$71.95 $104.95
Save $10.20
Mills Nutrient Vitalize (100, 250, 500mL 1 or 5L)Mills Nutrient Vitalize (100, 250, 500mL 1 or 5L)
Mills Nutrient Vitalize (100, 250, 500mL 1 or 5L)
From $48.75 $58.95
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Save $8.20
ISN Microbe Boost (1, 5 or 20L)ISN Microbe Boost (1, 5 or 20L)
ISN Microbe Boost (1, 5 or 20L)
From $48.75 $56.95
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Save $7.52
ISN Solid'as Potash (1, 5 or 20L)ISN Solid'as Potash (1, 5 or 20L)
ISN Solid'as Potash (1, 5 or 20L)
From $29.43 $36.95
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Save $8.99
Flairform Roots (250mL, 1 or 5L)Flairform Roots (250mL, 1 or 5L)
Flairform Roots (250mL, 1 or 5L)
From $17.96 $26.95
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Save $10.14
Flairform CMX (1, 5 or 20L)Flairform CMX (1, 5 or 20L)
Flairform CMX (1, 5 or 20L)
From $37.86 $48.00
Save $16.00
Flairform Pythoff (1, 5 or 20L)Flairform Pythoff (1, 5 or 20L)
Flairform Pythoff (1, 5 or 20L)
From $42.60 $58.60
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Save $6.36
Growth Technology Fulvic (1, 5.5 or 20L)Growth Technology Fulvic (1, 5.5 or 20L)
Growth Technology Fulvic (1, 5.5 or 20L)
From $17.43 $23.79
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Save $11.99
Cyco Ryzo Fuel (250, 500mL, 1, 5 or 20L)Cyco Ryzo Fuel (250, 500mL, 1, 5 or 20L)
Cyco Ryzo Fuel (250, 500mL, 1, 5 or 20L)
From $25.99 $37.98
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Save $18.13
Rock Resinator - 1L
Rock Resinator - 1L
$43.23 $61.36

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