Soil Additives

67 products

Showing 1 - 24 of 67 products

Showing 1 - 24 of 67 products
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Save $16.14
Professor's Organic Grow Fast (1, 5 or 10L)Professor's Organic Grow Fast (1, 5 or 10L)
Professor's Organic Grow Fast (1, 5 or 10L)
From $40.95 $57.09
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Save $16.53
Professor's Organic Flower Boost (1, 5 or 10L)Professor's Organic Flower Boost (1, 5 or 10L)
Professor's Organic Flower Boost (1, 5 or 10L)
From $41.95 $58.48
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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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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 $67.98 $81.83
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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 $9.55
Bio Diesel Aloevate - Organic Plant Tonic (200+ Vitamins And Minerals) 1L, 5L, 20LBio Diesel Aloevate - Organic Plant Tonic (200+ Vitamins And Minerals) 1L, 5L, 20L
Bio Diesel Aloevate - Organic Plant Tonic (200+ Vitamins And Minerals) 1L, 5L, 20L
From $15.40 $24.95
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House and Garden Roots Excelurator - 250mL
House and Garden Roots Excelurator - 250mL
$124.95 $169.95
Save $6.04
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 $41.95 $47.99
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Save $5.11
Hy-Gen Humiboosta (500mL, 1, 5 or 20L)Hy-Gen Humiboosta (500mL, 1, 5 or 20L)
Hy-Gen Humiboosta (500mL, 1, 5 or 20L)
From $20.55 $25.66
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Bio Diesel - Organic Bloom Booster (250mL, 1L, 5L, 20L)Bio Diesel - Organic Bloom Booster (250mL, 1L, 5L, 20L)
Bio Diesel - Organic Bloom Booster (250mL, 1L, 5L, 20L)
From $19.95
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Save $0.27
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 100gXtreme Gardening Mykos Granular Mycorrhizal Inoculant - 100g
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 100g
$13.38 $13.65
Save $9.16
Bio Diesel Super Natural - Organic Root And Shoot Stimulant (250mL, 1L, 5L, 20L)Bio Diesel Super Natural - Organic Root And Shoot Stimulant (250mL, 1L, 5L, 20L)
Bio Diesel Super Natural - Organic Root And Shoot Stimulant (250mL, 1L, 5L, 20L)
From $34.97 $44.13
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Dr Greenthumbs Root Roids - 75g
Dr Greenthumbs Root Roids - 75g
$35.00 $39.95
Save $5.10
Hy-Gen Nitro-K (500mL, 1, 5 or 20L)Hy-Gen Nitro-K (500mL, 1, 5 or 20L)
Hy-Gen Nitro-K (500mL, 1, 5 or 20L)
From $22.61 $27.71
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SNT Worm Castings - 10L
SNT Worm Castings - 10L
$61.75 $69.95
Save $6.47
Bio Diesel Rhino K - Organic Flower Hardener (250mL, 1L, 5L, 20L)Bio Diesel Rhino K - Organic Flower Hardener (250mL, 1L, 5L, 20L)
Bio Diesel Rhino K - Organic Flower Hardener (250mL, 1L, 5L, 20L)
From $24.67 $31.14
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Cyco Platinum Series Kleanse (1L, 5L or 20L)Cyco Platinum Series Kleanse (1L, 5L or 20L)
Cyco Platinum Series Kleanse (1L, 5L or 20L)
From $24.66 $31.38
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Save $7.16
Hy-Gen Sea Essentials (500mL, 1 , 5 or 20L)Hy-Gen Sea Essentials (500mL, 1 , 5 or 20L)
Hy-Gen Sea Essentials (500mL, 1 , 5 or 20L)
From $20.55 $27.71
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Save $8.20
Dr Greenthumbs Fruit Roids- 100g
Dr Greenthumbs Fruit Roids- 100g
$61.75 $69.95
Save $6.25
Plant Mechanics Super Si Silicic Acid - 20mL
Plant Mechanics Super Si Silicic Acid - 20mL
$25.70 $31.95
Save $70.00
House and Garden Multizyme - 5L
House and Garden Multizyme - 5L
$274.95 $344.95
Save $14.00
House and Garden Multizyme - 1L
House and Garden Multizyme - 1L
$67.95 $81.95
Save $60.05
House & Garden - Starter Kit - Soil
House & Garden - Starter Kit - Soil
$274.95 $335.00
Save $45.00
House and Garden Roots Excelurator - 1L
House and Garden Roots Excelurator - 1L
$399.95 $444.95

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