Earth Juice Grow – 1 Gallon

Earth Juice Grow is a natural liquid plant food with a 2-1-0 NPK guaranteed analysis (2% Total Nitrogen, 1% Available Phosphate, 0% Soluble Potash), formulated to drive vigorous vegetative growth in indoor and outdoor plants grown in potting mixes, coco coir, or native soils. The concentrate is derived from oat bran, feather meal, steamed bone meal, sulfate of potash, and sodium nitrate, blended in water with sea-going fish meal extractives. Applied as a soil drench or compatible foliar spray, the standard rate is 1 Tbsp per gallon (indoor) or 2–4 Tbsp per gallon (outdoor) once per week through the vegetative cycle. SKU 727644510725, manufactured by Hydro-Organics under the Earth Juice brand.

Earth Juice Grow Specifications

The specifications below are drawn from the canonical product listing (canonical_id 77d45431ed50), the guaranteed analysis printed on the Earth Juice Grow label, and product attribute data confirmed through the shophydrocity.com listing (SKU 727644510725) and the dsurbanfarm.com product page (Hydro-Organics SKU HOJ03301).

Specification	Value
Brand	Earth Juice (manufactured by Hydro-Organics; brand owned by Central Garden & Pet / Pennington)
Product line	Earth Juice Original Series — Grow
Size (this listing)	1 Gallon (128 fl oz / 3.78 L)
NPK guaranteed analysis	2-1-0
Total Nitrogen (N)	2.0% (Ammoniacal 0.4%, Nitrate 1.3%, Water-Insoluble 0.3%)
Available Phosphate (P₂O₅)	1.0%
Soluble Potash (K₂O)	0.0%
Derived from	Oat bran, feather meal, steamed bone meal, sulfate of potash, sea-going fish meal extractives, sodium nitrate
Product form	Natural liquid concentrate (organic-source nitrogen blend)
Application rate (indoor)	1 Tbsp (15 mL) per gallon of water, once per week
Application rate (outdoor)	2–4 Tbsp (30–60 mL) per gallon of water, once per week
Foliar spray rate	1 tsp (5 mL) per gallon of water
Compatible media	Soil, potting mixes, coco coir, soilless mixes
Growth stage	Vegetative phase — pair with Earth Juice Bloom (0-3-2) when flowering begins
Available sizes	1 qt, 1 gal (this size), 2.5 gal, 5 gal, 55 gal
SKU (primary supplier)	727644510725 (Hydro City / Shopify) · HOJ03301 (DS Urban Farm)
Shipping weight (1 gal)	11.0011 lb (per canonical attribute data)

Why Choose Earth Juice Grow

The points below are drawn from the Earth Juice Grow label guaranteed analysis, the canonical supplier description maintained by Hydro City, and the long-running positioning of the Earth Juice line within the organic and natural-fertilizer category since the 1990s.

• Natural-source nitrogen blend formulated for vegetative growth. Earth Juice Grow delivers 2% total nitrogen sourced from a combination of organic and mineral inputs — oat bran and feather meal (slow-release organic nitrogen), sodium nitrate (immediately plant-available nitrate-N), and sea-going fish meal extractives. The blend gives the root zone a fast-acting nitrate fraction together with a slower-release organic fraction, so the plant has access to nitrogen across the full weekly feeding interval rather than only in the first 24–48 hours after application.
• Pairs with Earth Juice Bloom on the same Original Series program. Earth Juice Grow (2-1-0) is the dedicated vegetative-stage formulation in the Earth Juice Original Series. When plants transition into flowering, growers switch to Earth Juice Bloom (0-3-2) at the same dosing rates. The two products share the same application protocol, supplier supply chain, and crop compatibility list, so a grower running the Earth Juice program does not need to re-learn dosing when switching stages.
• Compatible with soil, potting mixes, and coco coir. The Earth Juice Original Series is formulated for use in planting mixes, coir media, and native soils. The liquid concentrate dissolves cleanly when shaken and stirred into water at the published rates, with no granular residue requiring pre-mixing or pre-soaking. Because the formulation contains organic-source inputs, it is not labeled for use in pure recirculating hydroponic reservoirs without additional reservoir-management practices — soil and coco are the primary use cases.
• Approved for foliar application at a reduced rate. Earth Juice Grow can be applied as a foliar spray at 1 tsp per gallon of clean water. Foliar application delivers nitrogen and trace nutrients directly to leaf tissue, which is useful for rapid correction of early-vegetative nitrogen deficiency or for supplementing a soil drench program during periods of high transpiration. The reduced foliar rate (1 tsp vs. the 1 Tbsp soil rate) reflects standard practice for organic-source liquid nutrients applied to foliage.
• Broad crop compatibility across vegetables, herbs, ornamentals, and houseplants. Earth Juice Grow is positioned for use across the full range of edible and ornamental container and bed crops — vegetable gardens, tomato and pepper transplants, leafy greens, herbs, flowering ornamentals, houseplants, and propagation starts. A single 1-gallon bottle covers a home-scale vegetable garden through a complete vegetative cycle or multiple feedings of a small indoor garden, so growers do not need to purchase separate vegetative-stage fertilizers for different crop types.
• 1-gallon size is the practical home-grower step up from quart. The 1-gallon bottle of Earth Juice Grow yields 128 fl oz of concentrate. At the standard indoor rate of 1 Tbsp per gallon (15 mL/gallon), one bottle treats approximately 252 gallons of finished feed solution — a full season of weekly feedings for a 6–8 plant indoor garden or a backyard vegetable plot. This is the standard step up from the 1-quart trial size for growers who have validated the program at smaller scale.

Best Uses for Earth Juice Grow

Use cases below are derived from the Earth Juice Grow label dosing chart, the canonical product description, the indoor and outdoor application rates published by Hydro-Organics, and standard practice for natural-source liquid nitrogen feeds in soil and coco growing.

• Vegetative-stage feeding for indoor container plants. The primary use for Earth Juice Grow is weekly feeding of indoor container plants during the vegetative phase. Dose at 1 Tbsp per gallon of water and apply as a soil drench under the drip zone of the plant, saturating the root ball without flushing. Use at every other watering, alternating with plain pH-adjusted water, or weekly with plain water between feedings — whichever matches your existing irrigation schedule. This rate is calibrated for indoor container plants where root volume and feed frequency are tightly managed.
• Outdoor garden bed and raised-bed feeding. At the outdoor rate of 2–4 Tbsp per gallon of water, Earth Juice Grow is appropriate for backyard vegetable beds, raised beds, ornamental beds, and in-ground food gardens. The higher per-gallon rate compensates for the larger soil volume and the dilution effect of native soil microbiology. Start at 2 Tbsp per gallon for established beds with good organic content, and move up to 4 Tbsp per gallon for nutrient-depleted soils or heavy-feeding crops like tomatoes, peppers, and brassicas.
• Transplant establishment and seedling nutrition. Earth Juice Grow at a reduced rate (1 tsp per gallon for the first watering, building up to 1 Tbsp per gallon over two to three weeks) supports young transplants and germinated seedlings as they establish root systems. The nitrogen blend supplies the building blocks for leaf and stem development without the salt loading associated with synthetic high-nitrogen feeds, making it appropriate for tender root systems in the first weeks after transplant.
• Foliar feeding for nitrogen-deficiency correction. When early-vegetative plants show pale lower leaves indicative of mild nitrogen deficiency, foliar application of Earth Juice Grow at 1 tsp per gallon delivers nitrogen directly to leaf tissue for rapid uptake. Mix in clean, pH-adjusted water and apply during lights-off or early-morning conditions to avoid leaf burn from concentrate drying in direct light. Foliar application is supplemental to, not a replacement for, the regular soil drench schedule.
• Houseplants, tropicals, and ornamentals. Houseplants, tropical foliage plants, and indoor ornamentals respond well to Earth Juice Grow at 1 Tbsp per gallon, applied every other watering during the active growing season (spring through early fall in temperate climates). The 2-1-0 ratio supplies the nitrogen-dominant feed that foliage plants prefer, while the organic-source inputs build soil biology in the potting mix over time. Reduce frequency or skip feedings during winter dormancy.
• Vegetative complement to a broader feeding program. Earth Juice Grow is the primary nitrogen source during vegetative growth, and growers commonly pair it with companion products from the same line. Earth Juice Hi-Brix Molasses can be added as a carbohydrate supplement for soil microbiology, and Earth Juice Xatalyst functions as a root-stimulant supplement for transplant and propagation windows. The complete Original Series program transitions to Earth Juice Bloom (0-3-2) when flowers begin to set.

Earth Juice Grow vs Synthetic Vegetative Bases

Most indoor and hydroponic growers run synthetic two-part or three-part base nutrients during the vegetative phase — products like General Hydroponics Flora Series, Advanced Nutrients Sensi Grow, or Athena Pro. Understanding how Earth Juice Grow compares to these synthetic vegetative bases helps clarify when each is the appropriate choice.

Earth Juice Grow (this product): A natural-source liquid concentrate with a 2-1-0 NPK guaranteed analysis, derived from a blend of organic inputs (oat bran, feather meal, steamed bone meal, fish meal extractives) and one mineral nitrogen source (sodium nitrate). The product is formulated for soil and coco growing, applied as a soil drench at 1 Tbsp per gallon (indoor) or 2–4 Tbsp per gallon (outdoor). It contributes to soil biology over time because the organic-source nitrogen fractions require microbial mineralization to become plant-available. The 2-1-0 ratio is nitrogen-dominant, with a small phosphate contribution and no potash — appropriate for the vegetative stage where leaf and stem development drive demand, but growers running a balanced or potassium-supplemented program will need to add potassium from a complementary source.

Synthetic vegetative bases (e.g., Flora Series, Sensi Grow, Athena Pro Grow): Mineral-salt formulations with fully soluble, immediately plant-available nutrient salts. These bases typically carry a more balanced N-P-K profile (commonly 2-1-6, 3-2-5, or 4-2-3 range), are formulated for hydroponic reservoirs as well as soil and coco, and are dosed by EC target rather than label rate alone. They do not feed soil biology — the nutrient ions go directly to the root zone without microbial intermediation — and they produce higher and more predictable EC contributions per dose.

Key trade-offs:

• Earth Juice Grow is formulated for soil, coco, and outdoor garden beds; synthetic bases like Advanced Nutrients Sensi Coco Grow are formulated specifically for hydroponic reservoirs and coco coir with frequent fertigation cycles.
• Earth Juice Grow contributes to soil microbiology over time through its organic-source inputs; synthetic salt-based bases do not feed soil biology.
• Earth Juice Grow is dosed by volume (Tbsp per gallon) on a fixed weekly schedule; synthetic bases are dosed by EC target with adjustment based on runoff EC and plant response.
• Earth Juice Grow contains no potassium (K₂O = 0%); synthetic vegetative bases typically include 3–6% K₂O. Growers running Earth Juice Grow alone may want to add a potassium source if their substrate is potassium-poor.
• Earth Juice Grow is a single bottle for the vegetative stage; synthetic programs typically require two or three parts (Grow + Micro + Bloom, or A + B) mixed in sequence.

Growers focused on building soil biology, running organic or transitional-organic programs, or feeding outdoor vegetable beds will find Earth Juice Grow’s natural-source blend a better fit. Growers running synthetic-only hydroponic systems, EC-managed feeding programs, or production-scale facilities where dosing precision and predictability are critical will find synthetic vegetative bases more aligned with their workflow.

Compatibility & Operating Range

Compatibility information below is drawn from the Earth Juice Grow label, the application rate guidance published on the canonical Hydro City product listing, and standard practice for natural-source organic liquid fertilizers in soil and coco growing.

Growing media compatibility: Earth Juice Grow is confirmed compatible with soil-based planting mixes, peat-based soilless mixes, coco coir, and native garden soils. The liquid concentrate dissolves cleanly into water when shaken and stirred and applies as a standard drench. It is not formulated for pure recirculating hydroponic reservoirs (deep-water culture, NFT, drip-to-waste with very low EC targets) because the organic-source inputs can contribute to reservoir sediment and microbial bloom over multi-day reservoir holds.

Application method compatibility: Three methods are supported — (1) soil drench applied at 1 Tbsp per gallon indoor or 2–4 Tbsp per gallon outdoor; (2) foliar spray at 1 tsp per gallon of finished spray solution; (3) tank-mix with compatible organic amendments and supplements from the same line. The product is shaken before each use to re-homogenize any settled solids.

Tank-mix compatibility: Earth Juice Grow is compatible with other Earth Juice Original Series products (Bloom, Hi-Brix Molasses, Catalyst) and with most other organic-source liquid amendments. It is not recommended to tank-mix Earth Juice Grow with strong mineral-acid pH-down solutions, hydrogen peroxide, or chlorine-based oxidizers, as these can degrade the organic-source nitrogen fractions. When tank-mixing, add Earth Juice Grow after base nutrients have been measured and dissolved, then stir thoroughly.

pH operating range: The Earth Juice Original Series has a naturally low pH out of the bottle (often 3.5–4.5 in concentrate). When diluted at the standard 1 Tbsp per gallon rate, finished feed pH typically lands in the 5.5–6.5 range for most municipal tap water, which is at or just below the target for soil and coco. For soil, target finished feed pH at 6.0–6.8 and adjust with a small amount of Earth Juice Natural Up if the diluted feed is too acidic. For coco, target finished feed pH at 5.8–6.2.

Storage and shelf life: Store Earth Juice Grow in a cool, dark location away from direct sunlight and freezing temperatures. The natural-source inputs can settle in the bottle over storage; shake vigorously for 30 seconds before each use. Unopened, the product has a multi-year shelf life. Once opened and partially used, retain the original cap and store upright to minimize air exposure.

Crop compatibility: All vegetables, fruits, herbs, ornamentals, flowering and foliage houseplants, and propagation starts. No crop-specific restrictions are noted in the Earth Juice product literature. For growers focused on root-zone biology in the early stages, pairing Earth Juice Grow with a microbial inoculant such as Advanced Nutrients Tarantula can complement the natural-source nitrogen with introduced beneficial bacteria.

Dosing Guidelines

Dosing information below is drawn directly from the Earth Juice Grow label and the application rate chart maintained on the Hydro City canonical product listing and the DS Urban Farm product page. All rates are per gallon of finished feed solution.

Indoor container plants (standard rate): 1 Tbsp (15 mL) of Earth Juice Grow per gallon of water, applied as a soil drench once per week through the vegetative phase. For indoor plants on an every-other-watering schedule, dose at the same 1 Tbsp per gallon rate and alternate with plain pH-adjusted water between feedings. Saturate the root zone enough to wet the full root ball without producing heavy runoff.

Outdoor garden beds and raised beds: 2–4 Tbsp (30–60 mL) of Earth Juice Grow per gallon of water, applied as a soil drench once per week or on the existing irrigation schedule. Start at 2 Tbsp per gallon for beds with established organic content and adequate soil biology, and increase to 4 Tbsp per gallon for nutrient-depleted soils, heavy-feeding crops (tomatoes, peppers, brassicas, corn), or beds in their first season of cultivation.

Foliar application: 1 tsp (5 mL) of Earth Juice Grow per gallon of clean, pH-adjusted water. Mix thoroughly and apply with a pump sprayer or handheld mister to upper and lower leaf surfaces until leaves are uniformly coated without dripping. Apply during lights-off, early-morning, or late-evening hours to avoid leaf burn from concentrate drying in direct light. Foliar applications are supplemental to the standard soil drench schedule.

Seedlings and young transplants: Start at 1 tsp (5 mL) per gallon of water for the first one to two waterings, then build up to the standard 1 Tbsp per gallon rate over the following two to three weeks. This avoids over-feeding tender root systems while still supplying nitrogen for early leaf development.

Measuring the dose: Use a calibrated kitchen tablespoon, a graduated 15 mL measuring spoon, or a 30 mL graduated syringe for consistent dosing. At 1 Tbsp per gallon, a 5-gallon watering can requires 5 Tbsp (approximately 75 mL) per fill. The 1-gallon bottle of Earth Juice Grow contains 128 fl oz of concentrate, which at 1 Tbsp per gallon yields roughly 252 gallons of finished feed solution.

Frequency: Weekly during active vegetative growth. Reduce frequency or pause feedings during transitions (just before flowering, during heat stress, after major repotting events). Resume the standard weekly rate once the plant has re-established its growth rhythm. When plants enter the flowering phase, switch to Earth Juice Bloom (0-3-2) at the equivalent dosing rates.

Size selection:

• 1 qt: Entry size for trialing the product on a small indoor garden or for backup supply.
• 1 gal (this listing): Standard home-grower size — covers approximately 252 gallons of finished indoor feed at 1 Tbsp per gallon, or a full backyard vegetable garden season at outdoor rates.
• 2.5 gal: Mid-scale size for serious home growers running multiple indoor gardens or larger outdoor production beds.
• 5 gal: Small commercial or large multi-bed home operation.
• 55 gal: Commercial-scale drum quantity for production nurseries, market gardens, and licensed cultivation facilities.

How to Set Up Earth Juice Grow in Your Feeding Schedule

Steps below describe integrating Earth Juice Grow into a standard soil or coco feeding schedule. They are adapted from the Earth Juice label instructions, the per-category nutrient supplement template used across the Premier Hydro Nutrients & Additives catalog, and standard practice for natural-source liquid feeds.

1. Shake the bottle thoroughly before each use. Natural-source liquid concentrates with organic-input ingredients (feather meal, bone meal, fish meal extractives) will settle during storage. Shake the 1-gallon bottle vigorously for 30 seconds before measuring to re-homogenize the contents. If the bottle has been in cold storage, allow it to warm to room temperature first.
2. Identify your growing environment and select the rate. Indoor container plants use the 1 Tbsp per gallon rate; outdoor garden beds use the 2–4 Tbsp per gallon rate. Confirm the rate before measuring — under-dosing wastes the feeding cycle, while over-dosing on indoor containers can cause nutrient burn on tender vegetative growth.
3. Fill the watering can or feed tank with the appropriate water volume. Pre-fill with municipal tap water, well water, or pre-mixed rainwater at room temperature. Do not use water that is below 60°F (16°C) or above 80°F (27°C), as extremes affect root uptake and microbial activity in the substrate.
4. Measure the Earth Juice Grow dose with a calibrated tablespoon or graduated syringe. A graduated 30 mL syringe is the most consistent method for indoor doses where 1 Tbsp = 15 mL. For larger outdoor batches, a graduated kitchen measuring cup with mL markings works well at the 2–4 Tbsp per gallon scale.
5. Add Earth Juice Grow to the water and stir thoroughly. Add the measured concentrate slowly while stirring with a clean utensil or running an aquarium-style stirring pump for 30–60 seconds. The mixture should look uniformly tea-colored without visible undissolved particles. If sediment is visible at the bottom of the watering vessel, stir again before applying.
6. Check finished feed pH and adjust if needed. Earth Juice Original Series products are acidic out of the bottle, so finished feed pH is typically in the 5.5–6.5 range when mixed with neutral tap water. For soil, target 6.0–6.8. For coco, target 5.8–6.2. Use Earth Juice Natural Up (potassium bicarbonate) to raise pH if needed; avoid using strong mineral pH-up solutions that can react with the organic-source inputs.
7. Apply as a soil drench under the drip zone of the plant. Pour the finished feed slowly around the perimeter of the pot or under the drip zone of the plant canopy, saturating the root zone without flushing. Avoid pouring directly on the stem or crown of the plant. For raised beds and garden beds, apply along the base of plants and water in.
8. Repeat weekly through the vegetative phase. Maintain a consistent weekly feeding schedule through the vegetative cycle. Track applications on a calendar or grow journal — consistency in timing is more important than precision in dose for the natural-source nitrogen blend, which mineralizes gradually rather than spiking after each application.
9. Transition to Earth Juice Bloom when flowers begin to set. When the plant initiates flowering (visible pistils or flower primordia), switch from Earth Juice Grow to Earth Juice Bloom (0-3-2) at the equivalent dosing rates. Do not stack Grow and Bloom together — the two products are designed as sequential stage-specific feeds, not concurrent additions.

Sources & Further Reading