Liquid Nutrients & Additives
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Humboldt County's Own Humboldt County's Own Starter Pack
The Humboldt County's Own Starter Pack puts nine HCO products in one box: the full Deep Fusion three-part base nutrient plus the line's additives. It's a simple way to run the whole lineup if you're new to gardening or want to try the rest of HCO's line. Quarts: Deep Fusion Micro, Deep Fusion Grow, Deep Fusion Bloom and Killer Tea 8 oz bottles: Deep Breath, Snow Storm Ultra, G10 (Gravitation #10) and Magnum 100 g: Sonic Bloom Rates and timing for each product are on HCO's feeding schedule
$101.60
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Humboldt County's Own Humboldt County's Own Deep Fusion Bloom - 5 GAL
Deep Fusion Bloom is the flowering part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It supplies large amounts of phosphorus for flower development, plus added magnesium, with molasses blended in. Analysis: 0-6-4 (N-P-K) plus molasses and magnesium High phosphorus for robust flower development Molasses sugars feed beneficial soil bacteria Size: 5 gallons (18.9 L) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Grow (2-2-6); adjust the three through the flowering cycle using HCO's feeding schedule
$142.40
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Humboldt County's Own Humboldt County's Own Deep Fusion Bloom - 2.5 GAL
Deep Fusion Bloom is the flowering part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It supplies large amounts of phosphorus for flower development, plus added magnesium, with molasses blended in. Analysis: 0-6-4 (N-P-K) plus molasses and magnesium High phosphorus for robust flower development Molasses sugars feed beneficial soil bacteria Size: 2.5 gallons (9.45 L) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Grow (2-2-6); adjust the three through the flowering cycle using HCO's feeding schedule
$78.40
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Humboldt County's Own Humboldt County's Own Deep Fusion Bloom - 1 GAL
Deep Fusion Bloom is the flowering part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It supplies large amounts of phosphorus for flower development, plus added magnesium, with molasses blended in. Analysis: 0-6-4 (N-P-K) plus molasses and magnesium High phosphorus for robust flower development Molasses sugars feed beneficial soil bacteria Size: 1 gallon (3.78 L) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Grow (2-2-6); adjust the three through the flowering cycle using HCO's feeding schedule
$39.20
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Humboldt County's Own Humboldt County's Own Deep Fusion Bloom - 1 QT
Deep Fusion Bloom is the flowering part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It supplies large amounts of phosphorus for flower development, plus added magnesium, with molasses blended in. Analysis: 0-6-4 (N-P-K) plus molasses and magnesium High phosphorus for robust flower development Molasses sugars feed beneficial soil bacteria Size: 1 quart (946 ml) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Grow (2-2-6); adjust the three through the flowering cycle using HCO's feeding schedule
$18.99
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Humboldt County's Own Humboldt County's Own Deep Fusion Grow - 5 GAL
Deep Fusion Grow is the growth part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). Blended with molasses and kelp, it promotes strong stem and leaf growth early on and helps Deep Fusion Bloom work in the flowering cycle. Analysis: 2-2-6 (N-P-K) plus molasses and kelp Molasses adds simple and complex sugars, amino acids, micronutrients and trace elements, and its sugars feed beneficial soil bacteria Kelp has long been used to build plant strength Size: 5 gallons (18.9 L) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Bloom (0-6-4); adjust the three as plants move from growth to flower, using HCO's feeding schedule
$154.40
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Humboldt County's Own Humboldt County's Own Deep Fusion Grow - 2.5 GAL
Deep Fusion Grow is the growth part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). Blended with molasses and kelp, it promotes strong stem and leaf growth early on and helps Deep Fusion Bloom work in the flowering cycle. Analysis: 2-2-6 (N-P-K) plus molasses and kelp Molasses adds simple and complex sugars, amino acids, micronutrients and trace elements, and its sugars feed beneficial soil bacteria Kelp has long been used to build plant strength Size: 2.5 gallons (9.45 L) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Bloom (0-6-4); adjust the three as plants move from growth to flower, using HCO's feeding schedule
$84.80
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Humboldt County's Own Humboldt County's Own Deep Fusion Grow - 1 GAL
Deep Fusion Grow is the growth part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). Blended with molasses and kelp, it promotes strong stem and leaf growth early on and helps Deep Fusion Bloom work in the flowering cycle. Analysis: 2-2-6 (N-P-K) plus molasses and kelp Molasses adds simple and complex sugars, amino acids, micronutrients and trace elements, and its sugars feed beneficial soil bacteria Kelp has long been used to build plant strength Size: 1 gallon (3.78 L) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Bloom (0-6-4); adjust the three as plants move from growth to flower, using HCO's feeding schedule
$44.00
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Humboldt County's Own Humboldt County's Own Deep Fusion Grow - 1 QT
Deep Fusion Grow is the growth part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). Blended with molasses and kelp, it promotes strong stem and leaf growth early on and helps Deep Fusion Bloom work in the flowering cycle. Analysis: 2-2-6 (N-P-K) plus molasses and kelp Molasses adds simple and complex sugars, amino acids, micronutrients and trace elements, and its sugars feed beneficial soil bacteria Kelp has long been used to build plant strength Size: 1 quart (946 ml) Runs with Deep Fusion Micro (5-0-1) and Deep Fusion Bloom (0-6-4); adjust the three as plants move from growth to flower, using HCO's feeding schedule
$20.99
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Humboldt County's Own Humboldt County's Own Deep Fusion Micro - 5 GAL
Deep Fusion Micro is the calcium and nitrogen part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It carries the chelated micronutrients and trace elements, including two chelated forms of iron so plants have iron available across a wide pH range. Analysis: 5-0-1 (N-P-K) plus calcium Chelated micronutrients and trace elements Iron as EDDHA and DTPA chelates; no EDTA Size: 5 gallons (18.9 L) Runs with Deep Fusion Grow (2-2-6) and Deep Fusion Bloom (0-6-4); HCO blends molasses and kelp into the Deep Fusion base, so you don't need separate kelp or molasses additives Adjust the amounts of Micro, Grow and Bloom as plants move through their life cycle; HCO's feeding schedule gives the rates
$166.40
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Humboldt County's Own Humboldt County's Own Deep Fusion Micro - 2.5 GAL
Deep Fusion Micro is the calcium and nitrogen part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It carries the chelated micronutrients and trace elements, including two chelated forms of iron so plants have iron available across a wide pH range. Analysis: 5-0-1 (N-P-K) plus calcium Chelated micronutrients and trace elements Iron as EDDHA and DTPA chelates; no EDTA Size: 2.5 gallons (9.45 L) Runs with Deep Fusion Grow (2-2-6) and Deep Fusion Bloom (0-6-4); HCO blends molasses and kelp into the Deep Fusion base, so you don't need separate kelp or molasses additives Adjust the amounts of Micro, Grow and Bloom as plants move through their life cycle; HCO's feeding schedule gives the rates
$91.20
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Humboldt County's Own Humboldt County's Own Deep Fusion Micro - 1 GAL
Deep Fusion Micro is the calcium and nitrogen part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It carries the chelated micronutrients and trace elements, including two chelated forms of iron so plants have iron available across a wide pH range. Analysis: 5-0-1 (N-P-K) plus calcium Chelated micronutrients and trace elements Iron as EDDHA and DTPA chelates; no EDTA Size: 1 gallon (3.78 L) Runs with Deep Fusion Grow (2-2-6) and Deep Fusion Bloom (0-6-4); HCO blends molasses and kelp into the Deep Fusion base, so you don't need separate kelp or molasses additives Adjust the amounts of Micro, Grow and Bloom as plants move through their life cycle; HCO's feeding schedule gives the rates
$46.40
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Advanced Nutrients Advanced Nutrients OG Organics Iguana Juice Bloom - 23L
OG Organics Iguana Juice Bloom is Advanced Nutrients' one-part organic base nutrient for the flowering stage, built around freshwater fish protein hydrolysate. It leaves no emitter-clogging residue behind, so it can run through drip lines and emitters. One-part organic base nutrient for flowering; use OG Organics Iguana Juice Grow during vegetative growth NPK: 4-3-6 Made with freshwater fish protein hydrolysate and yeast extract OMRI Listed and CDFA-OIM certified for organic production Feed chart: 4 mL/L through bloom weeks 1–7; none during the flush For hydroponic media including coco coir, and continuous liquid-feed systems: drip, NFT, flood and drain, aeroponics and deep water culture Size: 23 L (about 6 gal)
$406.72
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Advanced Nutrients Advanced Nutrients OG Organics Iguana Juice Grow - 23L
OG Organics Iguana Juice Grow is Advanced Nutrients' one-part organic base nutrient for the vegetative stage, made from freshwater fish and soy protein hydrolysates. It leaves no emitter-clogging residue behind, so it can run through drip lines and emitters. One-part organic base nutrient for vegetative growth; switch to OG Organics Iguana Juice Bloom for flowering NPK: 3-1-3 Made from freshwater fish protein hydrolysate and soy protein hydrolysate, with micronutrients and vitamin B1 OMRI Listed and CDFA-OIM certified for organic production Feed chart: 1, 2, 3, then 4 mL/L over grow weeks 1–4 For hydroponic media including coco coir, and continuous liquid-feed systems: drip, NFT, flood and drain, aeroponics and deep water culture Size: 23 L (about 6 gal)
$402.51
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Humboldt County's Own Humboldt County's Own Deep Fusion Micro - 1 QT
Deep Fusion Micro is the calcium and nitrogen part of Humboldt County's Own Deep Fusion three-part base nutrient (Micro, Grow and Bloom). It carries the chelated micronutrients and trace elements, including two chelated forms of iron so plants have iron available across a wide pH range. Analysis: 5-0-1 (N-P-K) plus calcium Chelated micronutrients and trace elements Iron as EDDHA and DTPA chelates; no EDTA Size: 1 quart (946 ml) Runs with Deep Fusion Grow (2-2-6) and Deep Fusion Bloom (0-6-4); HCO blends molasses and kelp into the Deep Fusion base, so you don't need separate kelp or molasses additives Adjust the amounts of Micro, Grow and Bloom as plants move through their life cycle; HCO's feeding schedule gives the rates
$23.99
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Advanced Nutrients Advanced Nutrients Sensizym - 23L
Sensizym is Advanced Nutrients' enzyme supplement. Its enzymes break down dead root material and other organic debris in the root zone, and it's fed from the first week of growth through the end of bloom. Enzyme blend: xylanase, multiple forms of cellulase, and beta-glucanase NPK: 0-0-0 Feed chart: 2 mL/L through grow weeks 1–4 and bloom weeks 1–7; none during the flush Advanced Nutrients also uses it to recondition coco coir for reuse Minimum shelf life: 18 months Works with pH Perfect and non-pH Perfect base nutrients For hydroponic media including coco coir, and continuous liquid-feed systems: drip, NFT, flood and drain, aeroponics and deep water culture Size: 23 L (about 6 gal)
$420.32
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Advanced Nutrients Advanced Nutrients Sensizym - 10L
Sensizym is Advanced Nutrients' enzyme supplement. Its enzymes break down dead root material and other organic debris in the root zone, and it's fed from the first week of growth through the end of bloom. Enzyme blend: xylanase, multiple forms of cellulase, and beta-glucanase NPK: 0-0-0 Feed chart: 2 mL/L through grow weeks 1–4 and bloom weeks 1–7; none during the flush Advanced Nutrients also uses it to recondition coco coir for reuse Minimum shelf life: 18 months Works with pH Perfect and non-pH Perfect base nutrients For hydroponic media including coco coir, and continuous liquid-feed systems: drip, NFT, flood and drain, aeroponics and deep water culture Size: 10 L (about 2.6 gal)
$213.18
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Advanced Nutrients Advanced Nutrients pH Perfect Sensi Grow Part B - 23L
pH Perfect Sensi Grow Part B is one half of Advanced Nutrients' 2-part Sensi Grow base nutrient for the vegetative stage, mixed in equal amounts with Sensi Grow Part A. Like all pH Perfect base nutrients, it's built to hold your solution's pH in range for up to a week when mixed per the label. 2-part grow base: use with pH Perfect Sensi Grow Part A (sold separately) in equal amounts; switch to pH Perfect Sensi Bloom A & B for flowering NPK: 1-2-6 Feed chart: 1, 2, 3, then 4 mL/L of each part over grow weeks 1–4 The Sensi Grow formula includes metal amino acid complexes and humic acid derived from leonardite Advanced Nutrients recommends RO water or source water up to about 100 ppm (EC 160 µS/cm); shake before use For hydroponic media such as rockwool, peat and expanded clay, and continuous liquid-feed systems: drip, NFT, flood and drain, aeroponics and deep water culture Size: 23 L (about 6 gal)
$183.01
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Advanced Nutrients Advanced Nutrients pH Perfect Sensi Grow Part A - 23L
pH Perfect Sensi Grow Part A is one half of Advanced Nutrients' 2-part Sensi Grow base nutrient for the vegetative stage, mixed in equal amounts with Sensi Grow Part B. Like all pH Perfect base nutrients, it's built to hold your solution's pH in range for up to a week when mixed per the label. 2-part grow base: use with pH Perfect Sensi Grow Part B (sold separately) in equal amounts; switch to pH Perfect Sensi Bloom A & B for flowering NPK: 3-0-0 Feed chart: 1, 2, 3, then 4 mL/L of each part over grow weeks 1–4 The Sensi Grow formula includes metal amino acid complexes and humic acid derived from leonardite Advanced Nutrients recommends RO water or source water up to about 100 ppm (EC 160 µS/cm); shake before use For hydroponic media such as rockwool, peat and expanded clay, and continuous liquid-feed systems: drip, NFT, flood and drain, aeroponics and deep water culture Size: 23 L (about 6 gal)
$183.01
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Humboldt County's Own Humboldt County's Own Magnum - 5 GAL
Magnum is Humboldt County's Own magnesium and sulfur supplement for the flowering cycle. High-phosphorus and potassium bloom boosters and extra calcium can push plants into magnesium and sulfur deficiency, which shows as early yellowing or fading between the veins. Chlorophyll needs both nutrients, so Magnum supplies them together. Supplies magnesium and sulfur together HCO notes magnesium and sulfur deficiencies almost always show up together Size: 5 gallons (18.9 L) Rate: 1 tsp (5 ml) per gallon of water throughout the flower cycle For soil and hydro
$135.20
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Humboldt County's Own Humboldt County's Own Magnum - 2.5 GAL
Magnum is Humboldt County's Own magnesium and sulfur supplement for the flowering cycle. High-phosphorus and potassium bloom boosters and extra calcium can push plants into magnesium and sulfur deficiency, which shows as early yellowing or fading between the veins. Chlorophyll needs both nutrients, so Magnum supplies them together. Supplies magnesium and sulfur together HCO notes magnesium and sulfur deficiencies almost always show up together Size: 2.5 gallons (9.45 L) Rate: 1 tsp (5 ml) per gallon of water throughout the flower cycle For soil and hydro
$70.40
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Humboldt County's Own Humboldt County's Own Magnum - 1 GAL
Magnum is Humboldt County's Own magnesium and sulfur supplement for the flowering cycle. High-phosphorus and potassium bloom boosters and extra calcium can push plants into magnesium and sulfur deficiency, which shows as early yellowing or fading between the veins. Chlorophyll needs both nutrients, so Magnum supplies them together. Supplies magnesium and sulfur together HCO notes magnesium and sulfur deficiencies almost always show up together Size: 1 gallon (3.78 L) Rate: 1 tsp (5 ml) per gallon of water throughout the flower cycle For soil and hydro
$35.20
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Humboldt County's Own Humboldt County's Own Magnum - 1 QT
Magnum is Humboldt County's Own magnesium and sulfur supplement for the flowering cycle. High-phosphorus and potassium bloom boosters and extra calcium can push plants into magnesium and sulfur deficiency, which shows as early yellowing or fading between the veins. Chlorophyll needs both nutrients, so Magnum supplies them together. Supplies magnesium and sulfur together HCO notes magnesium and sulfur deficiencies almost always show up together Size: 1 quart (946 ml) Rate: 1 tsp (5 ml) per gallon of water throughout the flower cycle For soil and hydro
$14.99
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Advanced Nutrients Advanced Nutrients Big Bud Coco - 23L
Big Bud Coco is Advanced Nutrients' Big Bud bloom supplement formulated for coco coir. Along with a phosphorus and potassium boost for mid-bloom, it adds magnesium, two forms of calcium and chelated iron to cover the shortfalls that are common in coco. Mid-bloom phosphorus and potassium supplement made for coco coir NPK: 0-4-4 Adds magnesium, two forms of calcium and chelated iron Feed chart: 2 mL/L in bloom weeks 2–5 Works with pH Perfect and non-pH Perfect base nutrients For coco coir and continuous liquid-feed systems: drip, NFT, flood and drain, aeroponics and deep water culture Size: 23 L (about 6 gal)
$542.04
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