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Nutrients & Supplements

Soil Amendments
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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)
Out of stock
$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: 540
$8.01 $12.47 -36%
SUPERthrive Orchid-Pro Liquid Plant Food 7-8-6 | 8oz - (Case of 12)
In Stock: 108
$8.01 $12.47 -36%
Grotek Cal-Max, 1 qt
In Stock: 2166
$7.92 $13.96 -43%
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: 9168
$7.71 $11.99 -36%
Down to Earth Oyster Shell | 5lb - OMRI Listed - (Case of 6)
Out of stock
$7.70 $11.99 -36%
FoxFarm Open Sesame, 2 lbs
In Stock: 310
$7.60 $99.39 -92%
Grotek Gro-Silic, 1 L
In Stock: 618
$7.59 $92.99 -92%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 8oz - (Case of 12)
In Stock: 6274
$7.56 $10.99 -31%
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