Hydroponic Additives & Supplements

547 products

Showing 1 - 24 of 547 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 1 - 24 of 547 products
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Save $3.15
Green Planet - Pro Cal (1, 5L or 20L)Green Planet - Pro Cal (1, 5L or 20L)
Green Planet - Pro Cal (1, 5L or 20L)
From $19.99 $23.14
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Save $20.00
Growth Technology Kit - Foliage Focus 1L - Rootzone 250mL
Growth Technology Kit - Foliage Focus 1L - Rootzone 250mL
$44.95 $64.95
Save $8.00
Growth Technology Rootzone - 250mL
Growth Technology Rootzone - 250mL
$29.95 $37.95
Save $13.96
GT Starter Kit - Foliage Focus - Rootzone - CCS & Clonex
GT Starter Kit - Foliage Focus - Rootzone - CCS & Clonex
$78.99 $92.95
Save $11.84
Green Planet - Rezin (1L, 5L or 20L)Green Planet - Rezin (1L, 5L or 20L)
Green Planet - Rezin (1L, 5L or 20L)
From $69.99 $81.83
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Save $7.00
Growth Technology GT Foliar Spray - 500mL With Sprayer
Growth Technology GT Foliar Spray - 500mL With Sprayer
$16.95 $23.95
Save $6.72
Green Planet Liquid Weight (1L, 5L, or 20L)Green Planet Liquid Weight (1L, 5L, or 20L)
Green Planet Liquid Weight (1L, 5L, or 20L)
From $40.99 $47.71
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Save $11.84
Green Planet - Vitathrive Propagation Solution (1L, 5L Or 20L)Green Planet - Vitathrive Propagation Solution (1L, 5L Or 20L)
Green Planet - Vitathrive Propagation Solution (1L, 5L Or 20L)
From $69.99 $81.83
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Save $15.00
Growth Technology Rootzone - 1L
Growth Technology Rootzone - 1L
$77.95 $92.95
Save $3.07
Green Planet - PK Spike (1L, 5L or 20L)Green Planet - PK Spike (1L, 5L or 20L)
Green Planet - PK Spike (1L, 5L or 20L)
From $30.99 $34.06
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Save $35.96
Growth Technology Kit - Foliage Focus 5L - Rootzone 1L
Growth Technology Kit - Foliage Focus 5L - Rootzone 1L
$133.99 $169.95
Save $9.20
Green Planet Plant Guard (1L, 5L, or 20L)Green Planet Plant Guard (1L, 5L, or 20L)
Green Planet Plant Guard (1L, 5L, or 20L)
From $58.99 $68.19
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Save $72.96
Green Planet Dual Fuel Starter Kit Plus Extra Additives
Green Planet Dual Fuel Starter Kit Plus Extra Additives
$221.99 $294.95
Save $15.45
Mammoth P / Microbe Phosphorus Booster - (120mL, 250mL, 500mL, 1L or 4L)Mammoth P / Microbe Phosphorus Booster - (120mL, 250mL, 500mL, 1L or 4L)
Mammoth P / Microbe Phosphorus Booster - (120mL, 250mL, 500mL, 1L or 4L)
From $94.99 $110.44
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Save $4.63
Growhard Australia - Liquid Lead (1L, 5L or 20L)Growhard Australia - Liquid Lead (1L, 5L or 20L)
Growhard Australia - Liquid Lead (1L, 5L or 20L)
From $38.99 $43.62
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Save $0.96
GreenPlanet Bud Booster (60g, 500g 1L, 5L or 10kg)GreenPlanet Bud Booster (60g, 500g 1L, 5L or 10kg)
GreenPlanet Bud Booster (60g, 500g 1L, 5L or 10kg)
From $12.99 $13.95
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Save $11.39
Superthrive (120, 480, 960mL or 3.7L)Superthrive (120, 480, 960mL or 3.7L)
Superthrive (120, 480, 960mL or 3.7L)
From $43.21 $54.60
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Save $11.91
HY-GEN Budlink Silica Additive (1,2,5 or 20L)HY-GEN Budlink Silica Additive (1,2,5 or 20L)
HY-GEN Budlink Silica Additive (1,2,5 or 20L)
From $24.95 $36.86
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Save $6.11
Professor's Extreme Boost (250, 500g, 1kg or 5kg)Professor's Extreme Boost (250, 500g, 1kg or 5kg)
Professor's Extreme Boost (250, 500g, 1kg or 5kg)
From $29.95 $36.06
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Save $17.53
Professor's Organic Terpene Gold (1, 5, 10 or 20L)Professor's Organic Terpene Gold (1, 5, 10 or 20L)
Professor's Organic Terpene Gold (1, 5, 10 or 20L)
From $40.95 $58.48
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Save $8.43
Professor's Flower Boost (1L, 5L, 10L or 20L)Professor's Flower Boost (1L, 5L, 10L or 20L)
Professor's Flower Boost (1L, 5L, 10L or 20L)
From $31.95 $40.38
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Save $18.36
Plant Success Great White Shark Microbial (150 or 750g)Plant Success Great White Shark Microbial (150 or 750g)
Plant Success Great White Shark Microbial (150 or 750g)
From $71.59 $89.95
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Save $9.38
GT Foliar Spray 5.5L With Sprayer
GT Foliar Spray 5.5L With Sprayer
$47.95 $57.33
Save $4.96
GreenPlanet - Horti RawK (100g, 500g, 1kg, 5kg, or 10kg)GreenPlanet - Horti RawK (100g, 500g, 1kg, 5kg, or 10kg)
GreenPlanet - Horti RawK (100g, 500g, 1kg, 5kg, or 10kg)
From $7.99 $12.95
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