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Nutrients & Supplements

Soil Amendments
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Grotek Pro-Silicate, 1 L
In Stock: 192
$8.91 $15.71 -43%
Roots Organics Seabird Guano Powder, 3 lbs
In Stock: 590
$8.89 $12.94 -31%
FoxFarm Grow Big Liquid Concentrate, 1 pt
Out of stock
$8.88 $18.80 -53%
Pegasus Potion, 1 gal
Out of stock
$8.81 $51.99 -83%
FoxFarm Cha Ching, 1 lb
Out of stock
$8.80 $59.35 -85%
FoxFarm Beastie Bloomz, 1 lb
In Stock: 901
$8.80 $59.35 -85%
Grotek Solo-Tek Bloom 3-8-8 | 500mL - (Case of 6)
In Stock: 12
$8.76 $16.29 -46%
FoxFarm Cultivation Nation Cal-Mag | 16oz
In Stock: 84
$8.63 $12.99 -34%
Grotek Gro-Silic, 500 ml
In Stock: 269
$8.49 $51.99 -84%
True Organic All-Purpose Plant Food 5-4-5 | 4.5lb - Shaker Jug - Covers up to 100sq ft - OMRI Listed - (Case of 6)
In Stock: 126
$8.24 $15.99 -48%
True Organic Tomato & Vegetable Food 4-5-6 | 4.5lb - Shaker Jug - Use Monthly - Covers up to 88sq ft - OMRI Listed - (Case of 6)
In Stock: 90
$8.24 $15.99 -48%
Down to Earth Dolomite Lime | 5lb - OMRI Listed - (Case of 6)
In Stock: 167
$8.14 $10.99 -26%
Grotek Micro Power 0-0-2 | 500mL - (Case of 6)
In Stock: 36
$8.06 $20.62 -61%
HDI Europonic FossilFuel Liquid Humic Acids | 32oz
In Stock: 25
$8.04 $21.99 -63%
SUPERthrive Bonsai-Pro Liquid Plant Food 7-9-5 | 8oz - (Case of 12)
In Stock: 576
$8.01 $12.47 -36%
SUPERthrive Orchid-Pro Liquid Plant Food 7-8-6 | 8oz - (Case of 12)
In Stock: 192
$8.01 $12.47 -36%
Grotek Cal-Max, 1 qt
In Stock: 2166
$7.92 $13.96 -43%
Sustane 3-5-3 Compost Tea Bag | 12ct - 21gm Packs - OMRI Listed - (Case of 10)
In Stock: 10
$7.90 $10.99 -28%
True Organic Prilled Sulfur | 5lb - Resealable Bag - Lowers Soil pH - Covers up to 1,333sq ft - OMRI Listed - (Case of 6)
In Stock: 138
$7.79 $10.29 -24%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 8oz - The Silicon Solution - (Case of 12)
Out of stock
$7.75 $11.99 -35%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 8oz - (Case of 12)
In Stock: 9180
$7.71 $11.99 -36%
Down to Earth Oyster Shell | 5lb - OMRI Listed - (Case of 6)
Out of stock
$7.70 $11.99 -36%
MYKE Vegetable & Herb Growth Enhancer | 1.8oz - OMRI Listed - (Pallet of 36)
In Stock: 116
$7.68 $11.29 -32%
FoxFarm Open Sesame, 2 lbs
In Stock: 322
$7.60 $99.39 -92%
Grotek Gro-Silic, 1 L
In Stock: 622
$7.59 $92.99 -92%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 8oz - (Case of 12)
In Stock: 6286
$7.56 $10.99 -31%
Grotek Bud Fuel Pro 1-3-4 | 500mL - (Case of 6)
In Stock: 24
$7.55 $22.29 -66%
SUPERthrive Foliage-Pro Liquid Plant Food 9-3-6 | 8oz - (Case of 12)
Out of stock
$7.53 $11.99 -37%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 8oz - (Case of 12)
In Stock: 336
$7.53 $11.99 -37%
Grotek Monster Grow Pro, 130 g
In Stock: 562
$7.45 $13.15 -43%
SUPERthrive ZYME 100% Enzyme Cleaner | 8oz - (Case of 12)
In Stock: 804
$7.44 $15.99 -53%
Growth Science Nutrients Rock Solid, 2.5 gal
In Stock: 2
$7.37 $149.99 -95%
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