Organic Plant Nutrients

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In stock
10 days
HGC726824
$1454
GH General Organics BioThrive Bloom 275 Gallon Tote (1/Plt)
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Out of stock
10 days
HGC726808
BioThrive Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
$7,39621 $7,62564
In stock
10 days
HGC726816
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
$17024
In stock
10 days
HGC726815
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
$16170
In stock
10 days
HGC726812
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
$3961
In stock
10 days
HGC726851
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
$16170
In stock
10 days
HGC726810
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
$1288
In stock
10 days
HGC726813
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
$16170
Out of stock
10 days
HGC726807
BioThrive Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive Grow to give all types of plants a strong start.
$60438
Out of stock
10 days
HGC726804
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
$4455
Out of stock
10 days
HGC726805
BioThrive Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive Grow to give all types of plants a strong start.
$2,16807
In stock
10 days
HGC726806
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
$20987
In stock
10 days
HGC726853
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
$16170
In stock
10 days
HGC726802
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
$4596
In stock
10 days
HGC726854
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
$16170
In stock
10 days
HGC726800
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
$1324
In stock
10 days
HGC726852
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
$16170
Out of stock
10 days
HGC726833
$12801
Out of stock
10 days
HGC726834
$5336
Out of stock
10 days
HGC726832
$1678
Out of stock
10 days
HGC726819
CaMg+ is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+ is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+ increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.
$48550
In stock
10 days
HGC726821
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+® increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.
$9548
Out of stock
10 days
HGC726857
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+® increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.
$1,04938
In stock
10 days
HGC726823
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+® increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.
$19500
In stock
10 days
HGC726822
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+® increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.
$4195
In stock
10 days
HGC726820
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+® increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.
$1324
Out of stock
10 days
HGC726842
Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Containing an exceptionally high percentage of plant-active humates, Diamond Black supports beneficial microbial activity in soils and increases micronutrient availability. Diamond Black can be added to all kinds of garden soils and potting mixes and used with a wide variety of plants during all phases of growth.
$4329
Out of stock
10 days
HGC718155
If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm calcium, you can mix our original FloraMicro® with FloraMicro® Hardwater to create a perfect Micro blend for your plants.
$2681
Out of stock
10 days
HGC722020
General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.
$1276
Out of stock
10 days
HGC749800
Spray Green Cleaner on plants of every age, from clones through harvest. Unlike other products, spider mites do not get immune to Green Cleaner. Kills mites and their eggs. Washes powdery mildew right off the plant. All natural, you can even use Green Cleaner on the day of harvest. Green Cleaner is concentrate that makes 2 oz 1 - 4 gallons, 4 oz 2 - 8 gallons, 8 oz 4 - 16 gallons, 32 oz 16 - 64 gallons and 128 oz 64 - 256 gallons.
$920
Out of stock
10 days
HGC705647
In ancient times, the indigenous people of the Amazonian basin utilized biochar amendments to improve their soil and provide long-lasting fertility. GreenGro Nature's Pride Veg 6-3-3.5 is an innovative powdered blend that combines premium dry amendments, microbes, biochar and mycorrhizae to create a simple-to-use formula that provides the soil nutrition necessary for healthy structure and large, bountiful blooms.
$9665
Out of stock
10 days
HGC725082
The Gro Pro® Essential Round Fabric Pots are constructed from high-quality non-woven fabric. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Essential Round Fabric Pots feature breathable fabric allowing for faster plant growth through better access to oxygen. Air flow prunes the root structure for a healthier and happier plant. Gro Pro® Essential Round Fabric Pots will not trap water, which can help prevent overwatering of plants. Also keeps your roots cool in the heat. The Essential line of fabric pots are made from 220 gram weight material for great durability at an economical price.
$754
Out of stock
10 days
HGC724790
Gro Pro® Plant Warrior™ growing containers provide added oxygen to the soil environment. Patent pending design allows oxygen to be drawn through the bottom of the container promoting healthy, strong roots. This patent pending cone technology promotes vigorous root growth while using less soil. Sturdy injection-molded containers. Reusable and easy to clean.
$091
Out of stock
10 days
HGC725845
The Gro Pro® Premium Round Fabric Pots are constructed from high-quality non-woven fabric. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Premium Round Fabric Pots feature breathable fabric allowing for faster plant growth through better access to oxygen. Air flow prunes the root structure for a healthier and happier plant. Gro Pro® Premium Round Fabric Pots will not trap water, which can help prevent overwatering of plants. Also keeps your roots cool in the heat. These premium fabric pots are made from 270 gram weight material for maximum durability and longevity.
$355
Out of stock
10 days
HGC725815
The Gro Pro® Premium Round Fabric Pots are constructed from high-quality non-woven fabric. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Premium Round Fabric Pots feature breathable fabric allowing for faster plant growth through better access to oxygen. Air flow prunes the root structure for a healthier and happier plant. Gro Pro® Premium Round Fabric Pots will not trap water, which can help prevent overwatering of plants. Also keeps your roots cool in the heat. These premium fabric pots are made from 270 gram weight material for maximum durability and longevity.
$131
Out of stock
10 days
HGC725820
The Gro Pro® Premium Round Fabric Pots are constructed from high-quality non-woven fabric. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Premium Round Fabric Pots feature breathable fabric allowing for faster plant growth through better access to oxygen. Air flow prunes the root structure for a healthier and happier plant. Gro Pro® Premium Round Fabric Pots will not trap water, which can help prevent overwatering of plants. Also keeps your roots cool in the heat. These premium fabric pots are made from 270 gram weight material for maximum durability and longevity.
$154
Out of stock
10 days
HGC721821
The Gro Pro® Premium Round Fabric Pots are constructed from high-quality non-woven fabric that now include easy-to-use handles. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Premium Round Fabric Pots feature breathable fabric allowing for faster plant growth through better access to oxygen. Air flow prunes the root structure for a healthier and happier plant. Gro Pro® Premium Round Fabric Pots will not trap water, which can help prevent overwatering of plants. Also keeps your roots cool in the heat. These premium fabric pots are made from 270 gram weight material for maximum durability and...
$167
Out of stock
10 days
HGC713080
Gro-Blocks™ are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro-Block™. Small plants can be fully grown in our larger Gro-Blocks™. Holes are perfect size for any 1.5 in starter plug. Come in packs labeled with instructions. Big Mama is Grodan's largest block ever produced! Big enough to grow a large plant for its entire life. More than twice the amount of wool as our Hugo Block.
$15843
Out of stock
10 days
HGC713041
Mini-Blocks™ sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini-Blocks™ are individually wrapped in white plastic to minimize algae growth. Remove wrapping and transplant into any loose media such as Grow-Cubes™ or coconut fiber or leave wrapping on and set on top of a larger Gro-Block™. Packed in easy tear-away strips, labeled with instructions.
$25707
Out of stock
10 days
HGC746310
This blend of organic acids lowers your nutrient solution's pH. It's our pH down. Don't worry if you over shoot the down: just add some Olympus Up and see the benefits of adding more calcium.
$10982
Out of stock
10 days
HGC746304
This blend of organic acids lowers your nutrient solution's pH. It's our pH down. Don't worry if you over shoot the down: just add some Olympus Up and see the benefits of adding more calcium.
$881
In stock
10 days
H161009BA55L
Heavy 16 Bud A 15 Gallon (55L)
$39615
In stock
10 days
H161005BA10
Heavy 16 Bud A 2.5 Gallon (10L)
$8084
In stock
10 days
H161001BA1
Heavy 16 Bud A 32OZ (1L)
$1131
In stock
10 days
H161011BA55G
Heavy 16 Bud A 55 Gallon (55G)
$1,37444
In stock
10 days
H161007BA23
Heavy 16 Bud A 6 Gallon (23L)
$17463
In stock
10 days
H161010BB55L
Heavy 16 Bud B 15 Gallon (55L),
$39615
In stock
10 days
H161006BB10
Heavy 16 Bud B 2.5 Gallon (10L)
$8084
In stock
10 days
H161002BB1
Heavy 16 Bud B 32OZ (1L)
$1131
In stock
10 days
H161012BB55G
Heavy 16 Bud B 55 Gallon (55G)
$1,37444