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Brew & Grow - Hydroponic / Organic Gardening and Homebrewing Supplies
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Nutrient Additives and Plant Stimulators

Home / Hydroponic & Organic Gardening / Fertilizer and Plant Food / Nutrient Additives and Plant Stimulators
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Max: $250
  • Hydroponic & Organic Gardening
    • Grow Lights, Reflectors, Ballasts and Tents
    • Hydroponic Systems, Equipment and Testing
    • Plant Propagation and Seed Starting
    • Fertilizer and Plant Food
      • Hydroponic Nutrients
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General Hydroponics GH Koolbloom 2.2 lb Pouch
Dry KoolBloom by General Hydroponics is a concentrated plant food supplement specifically formulated to promote intense and abundant flowering. It is designed to enhance the production of robust blooms as well as essential oils and fragrance in many flowe
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GH Koolbloom 2.2 lb Pouch
$32.02
Atami Atami Bloombastic 325mL/11 oz
The Bloombastic formula contains biological minerals in combination with biological stimulants to create a one of a kind nutrient additive specifically designed for the flowering and ripening of your plants. The unique combination of elements in Blombasti
Atami Bloombastic 325mL/11 oz
$95.43
Nectar For The Gods Nectar for the Gods One Shot 4 lb
One Shot is a soil amendment for super soil style gardening. One Shot is a blend of natural ingredients that are ground into fine powders and held together with a molasses binder in small pellets. The molasses activates and encourages microbial activity i
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Nectar for the Gods One Shot 4 lb
$20.40
Plant Success Plant Success Great White Mycorrhizae 4 oz
The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see
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Plant Success Great White Mycorrhizae 4 oz
$39.99
Fish Head Farms Fish Sh!t Organic Soil Conditioner - 250 ML
Fish Sh!t Organic Soil Conditioner - 250 ML
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Fish Sh!t Organic Soil Conditioner - 250 ML
$33.99
Plant Success Plant Success Great White Mycorrhizae 1 oz
The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see
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Plant Success Great White Mycorrhizae 1 oz
$13.99
General Hydroponics GH Maxibloom 2.2 lb Pouch
MaxiBloom (5-7-18) is a powerful one-part dry nutrient users add during a plant's reproductive stage to produce higher yields by stimulating flowering and fruiting. MaxiBloom works for a wide variety of plants in both traditional and hydroponics growing.
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GH Maxibloom 2.2 lb Pouch
$17.71
Down To Earth Down To Earth Rose and Flower Mix (4-8-4) - 5 lb
Down To Earth Rose & Flower Mix is outstanding for all types of roses, bulbs, flowering shrubs and even onions and garlic. Apply when planting new roses, bulbs and perennials and use throughout the season when new growth appears on existing plants.
Down To Earth Rose and Flower Mix (4-8-4) - 5 lb
$11.79
Flex FLEX Liquid H202 (34% Hydrogen Peroxide)  - 1 Gal
Hydrogen Peroxide (H2O2 34%) is an excellent product for cleaning hydroponic equipment, materials and grow areas. 
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FLEX Liquid H202 (34% Hydrogen Peroxide) - 1 Gal
$15.59
Down To Earth Down to Earth Granular Humic Acid 5 lb
A highly concentrated source of humic acids ideal for use on fields, turf and vegetable gardens. Derived from the ancient remains of decomposed organic plant materials, humic acids enhance nutrient uptake and stimulate soil microbial life. Naturally occur
Down to Earth Granular Humic Acid 5 lb
$10.29
Fish Head Farms Fish Sh!t Organic Soil Conditioner - 120 ML
By introducing a wide variety of beneficial bacteria and microorganisms in to the rhizosphere, Fish Sh!t creates an optimal symbiotic relationship between plant and soil.
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Fish Sh!t Organic Soil Conditioner - 120 ML
$19.99
Espoma Organic Bio Tone Starter Plus w/ Mycorrhizae - 4lb
The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae
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Espoma Organic Bio Tone Starter Plus w/ Mycorrhizae - 4lb
$9.99
Nectar For The Gods Nectar for the Gods One Shot 50 lb
One Shot is a soil amendment for super soil style gardening. One Shot is a blend of natural ingredients that are ground into fine powders and held together with a molasses binder in small pellets. The molasses activates and encourages microbial activity i
Nectar for the Gods One Shot 50 lb
$112.20
Down To Earth Down To Earth Insect Frass - 2lb
Down To Earth Insect Frass 3-1-2 is an excellent fertilizer with many of the same traits as bat guano and worm castings. Produced through sustainable insect farming raised on pre-consumer food waste collected from local grocery stores, produce distributor
Down To Earth Insect Frass - 2lb
$11.99
Canna Canna Bio Boost 1L
BioBOOST by BIOCANNA is a natural additive that promotes bigger blooms and stronger flavors in flowers to create a high-quality yield. BioBOOST enhances the rate plants absorb nutrients, and is to be used during the start of the blooming period. BioBOOST
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Canna Bio Boost 1L
$94.50
Botanicare Botanicare Hydroguard Quart
Hydroguard is back with a new, clean look and a more powerful, concentrated formula. Hydroguard's reformulation makes it even more effective than before. Its unique formula, available exclusively from Botanicare, contains an isolated form of bacillus bact
Botanicare Hydroguard Quart
$33.77
Humboldt County's Own G10 - Qt
This product is made up of a proprietary kelp extract and is a "flower finisher." The claims however are extremely vague. Start using this from the 3rd week of flowering all the way to the end. Does not contain Plant Growth Regulators(PGRs)
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Humboldt County's Own G10 - Qt
$60.81
Down To Earth Down To Earth Bat Guano (7-3-1) - 2 lb
The undisputed champion of organic fertilizers, Bat Guano is rich in readily available Nitrogen, Phosphorus and micronutrients and provides essential plant nutrition for vigorous vegetative growth and early fruit and flower development. Bat Guano is fast
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Down To Earth Bat Guano (7-3-1) - 2 lb
$13.66
Mammoth P - 120ml
MAMMOTH P is an organically derived microbial inoculant for growing plants that maximizes phosphorus and micronutrient cycling to maximize bud growth, increase yield, and enhance plant health.
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Mammoth P - 120ml
$47.77
Down To Earth Down To Earth High Phosphorus Seabird Guano - 5 lb
Use our high phosphorous Seabird Guano to dramatically increase both the amount and size of blooms throughout the flowering period for all indoor and outdoor plants. Seabird Guano greatly enhances beneficial bacterial activity in the soil, and because itâ
Down To Earth High Phosphorus Seabird Guano - 5 lb
$19.78
Down To Earth Down To Earth Blood Meal (12-0-0) - 5 lb
A high nitrogen source, our Blood Meal is guaranteed to promote rapid, green growth. A wonderful fertilizer for heavy feeders like corn, spinach, salad greens and garlic in the early spring, it also helps compost piles heat up and break down fast.
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Down To Earth Blood Meal (12-0-0) - 5 lb
$21.41
General Hydroponics GH pH Down - Qt
For plants to grow their best, it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. Our own pH Down is made with phosphoric acid. There are many pH down products on the market, but you get mo
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GH pH Down - Qt
$11.73
Nectar For The Gods Nectar For The Gods Hades pH Down - Qt
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.
Nectar For The Gods Hades pH Down - Qt
$20.40
Plant Success Plant Success Great White Mycorrhizae 8 oz
The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see
Add to cart
Plant Success Great White Mycorrhizae 8 oz
$71.99
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We offer an extensive selection of supplies and ingredients for home beer brewing and wine making, as well as comprehensive selection of indoor gardening supplies and hydroponic equipment.
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