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Gaia Green Organic All Purpose Fertilizer 4-4-4

Gaia Green Organic All Purpose Fertilizer 4-4-4 - Gaia Green - Happy Hydro

Gaia Green All Purpose 4-4-4 | Happy Hydro

16 organic ingredients, one bag, one monthly top-dress. Then just water.

Name: Gaia Green Organic All Purpose Fertilizer 4-4-4
Brand: Gaia Green
SKU: GAGAP2KGP
Price: 10.95 USD
Availability: OutOfStock
Rating: 4.9 (113 reviews)

Gaia Green All Purpose 4-4-4 is a dry amendment that replaces a shelf full of bottles and a feeding schedule. It's a balanced blend of bone meal, blood meal, kelp, glacial rock dust, greensand, and 11 more ingredients that break down at different speeds, so plants get nutrition immediately and steadily over weeks. Organic growers across North America have used this exact formula for over 20 years in gardens, containers, and indoor setups.

CDFA Certified Organic Ecocert Canada Approved GMO-Free Ingredients

Free shipping on orders over $49

30-day returns on all orders

Serving growers since 2006

Why growers switch

Liquid nutrient schedule vs. Gaia Green All Purpose 4-4-4

Liquid Nutrient Schedule

Measure and mix multiple bottles every single watering
pH pen required, adjust every feed to stay in range
Salt buildup over time, flush protocol needed before harvest
Starter kits run $30+ for a 3-part system, plus supplements
Overfeeding burns roots fast with no buffer
Soil biology largely ignored, nutrients fed directly to plant

Gaia Green All Purpose

Top-dress once a month, water normally in between
Soil biology handles nutrient availability, most growers skip pH adjustment
No salt buildup, no flush needed, organic inputs only
Available in 500g, 2 kg, 10 kg, and 20 kg to fit any grow size
Slow-release formula is forgiving, hard to burn plants at recommended rates
Feeds the soil food web: microbes break down ingredients and deliver nutrients on demand

See it in action

How to top-dress with Gaia Green All Purpose

What makes it work

One blend, built from ingredients that release at different speeds

One top-dress per month replaces a feeding schedule Top-dress & water

The blend includes fast-release ingredients like blood meal alongside slow-release minerals like greensand, so one application feeds plants for 3 to 4 weeks without reapplying. No bottles, no syringes, no pH pens.

Balanced 4-4-4 NPK with 75% fast-release nitrogen

3% of the 4% nitrogen is water-soluble for quick uptake in the first week. The remaining 1% is water-insoluble and becomes available as soil microbes process it, giving plants a fast start plus steady background feeding.

4.5% calcium and 2.3% sulfur already included

Calcium from bone meal, fishbone meal, oyster shell flour, and gypsum. Sulfur from potassium sulphate and gypsum. These are the two secondary nutrients most often missing from standard potting mixes, and both are included here.

Glacial rock dust and basalt for iron, magnesium, and trace minerals

Glacial rock dust comes from ice-age moraine deposits, basalt rock dust from volcanic rock. Together they supply iron, magnesium, manganese, and dozens of trace elements that single-source fertilizers miss.

Kelp meal for stronger roots and better transplant recovery

The kelp in this blend is Ascophyllum nodosum, a species harvested from cold North Atlantic waters. It contains natural plant growth compounds that promote root branching, help plants recover faster after transplant, and improve tolerance to heat and drought stress.

Alfalfa meal, insect frass, and humic acid feed the soil food web

These three ingredients act as food for beneficial fungi and bacteria in the root zone. A healthy microbial population means nutrients stay locked in the soil instead of washing out the bottom of the pot every time you water.

Specs

Guaranteed analysis and product details

NPK Ratio

4-4-4

Nitrogen Breakdown

3.0% water-soluble, 1.0% water-insoluble

Secondary Nutrients

4.5% Calcium, 2.3% Sulfur

Sizes Available

500g, 2 kg, 10 kg, 20 kg

Form

Fine powder blend (non-granulated)

Certifications

CDFA Organic, Ecocert Canada

Origin

Made in Canada (British Columbia)

Storage

Cool, dry, out of direct sunlight

Full Ingredient List (16 ingredients)

Feather meal, alfalfa meal, bone meal, blood meal, glacial rock dust, natural rock phosphate, fishbone meal, mineralized phosphate, potassium sulphate, insect frass, basalt rock dust, humic acid, gypsum, kelp meal (Ascophyllum nodosum), oyster shell flour, greensand.

Amendment calculator

Gallons of soil

Method

Growth stage

What the math looks like

Pre-mixing soil

At the recommended 3 tbsp per gallon, a 5-gallon pot uses 15 tbsp (about 1 cup) per fill. A 10-gallon pot uses 30 tbsp (about 2 cups). Even the 2 kg size pre-mixes multiple pots before you need to reorder.

Monthly top-dressing

At 1 tbsp per gallon, a 5-gallon pot uses 5 tbsp per month. That's a fraction of the tub per application, so even the smallest sizes last many months of monthly top-dresses across several containers.

Raised beds and gardens

Gaia Green recommends 5 lbs per 100 sq ft for garden beds. One tub covers about 88 sq ft per application, roughly a 9x10 ft plot.

How to use it: pre-mix, top-dress, transition, repeat

1

Pre-mix into fresh soil before planting

Blend 3 tablespoons per gallon of potting mix. Distribute evenly, moisten the soil, and let it sit 24 to 48 hours before planting so microbes can begin breaking down the ingredients.

2

Top-dress once a month during vegetative growth

Sprinkle 1 tablespoon per gallon of soil on the surface. Scratch lightly into the top half-inch and water in. Between top-dresses, just water normally.

3

Switch to Power Bloom when plants start flowering

Transition your top-dress to Gaia Green Power Bloom 2-8-4 for the higher phosphorus and potassium flowering plants need. Many growers run 50/50 at the transition, then 100% Power Bloom for late flower.

4

Re-amend and reuse spent soil

After harvest, pull the root ball, mix 3 tablespoons per gallon of 4-4-4 back in with a cup of worm castings per gallon, and let it sit moist for 2 to 4 weeks. The soil is ready for the next plant without buying fresh media.

In the tub

What you get, what it works with, and what to pair it with

Sizes we carry

500g (1.1 lbs): Trial size, enough to top-dress a few pots for one cycle
2 kg (4.4 lbs): Most popular for home growers, lasts multiple cycles in containers
10 kg (22 lbs): Multi-cycle supply for serious home or small commercial grows
20 kg (44 lbs): Best per-pound value, covers large gardens or commercial operations
All sizes: CDFA Certified Organic, Ecocert Canada approved, fine powder (non-granulated)

Works with

Growing media: Pro-Mix, Fox Farm Ocean Forest, Roots Organics, coco coir, peat-based mixes, garden soil
Plants: Tomatoes, peppers, herbs, leafy greens, houseplants, shrubs, fruit trees, flowers, and most annual or perennial crops

How many tubs do I need? A 5-gallon pot uses 15 tbsp to pre-mix and 5 tbsp per monthly top-dress. For raised beds, plan on one tub per 88 sq ft of bed space per application.

Pair with for a complete system

Power Bloom 2-8-4: Higher P and K for the flowering stage. Use after transitioning off All Purpose.
All Purpose + Power Bloom bundle: Both products at a discount. Covers veg through flower.
Gaia Green Worm Castings: Inoculates your soil with beneficial microbes that help break down the dry amendment faster.
Full system: Check out the Soil Re-Amend Kit with All Purpose, Power Bloom, Worm Castings, Mykos, and Azos

Not sure what you need? Call or email and we'll help you figure out the right combination for your setup. 716-217-0353 / help@happyhydro.com

Questions

Frequently asked questions

Do I need anything else besides this, or can I use it alone?

For vegetative growth, 4-4-4 covers your base nutrition on its own. For flowering and fruiting plants, you'll need Gaia Green Power Bloom 2-8-4 to provide the extra phosphorus and potassium those stages demand. Many growers also add worm castings for microbial activity. Under LED lights, a small amount of epsom salt every two weeks can help cover the increased magnesium demand that LEDs create.

Does this work in coco coir, or only soil?

It works in both. Coco is technically inert, so the dry amendment provides all the nutrition. Many growers mix 4-4-4 into a 70/30 coco-perlite blend at 3 to 4 tablespoons per gallon and get strong results. The main thing to know with coco is that it naturally binds calcium, so you may want to add a bit of extra gypsum or oyster shell flour up front. Some of those calcium sources are already in the blend, but coco-heavy setups sometimes benefit from a bit more.

Do I need to pH my water when using this?

In most cases, no. Organic dry amendments rely on soil biology to make nutrients plant-available, and that biology works across a wider pH range than salt-based liquid feeds. Growers using peat-based media like Pro-Mix (which includes dolomite and calcitic lime as built-in pH buffers) typically water straight from the tap without adjustment. If you're using a medium without any buffering agents, adding a small amount of dolomite lime or oyster shell to the mix will keep pH stable over time.

Does it smell? I'm growing indoors.

The dry powder has a noticeable earthy, slightly fishy smell when you open the tub and when you first mix it into soil. That's the blood meal, bone meal, and fishbone meal. Once it's worked into the soil and watered in, the smell fades within a day or two. It won't make your grow room stink long-term, but you'll notice it during application. If you're in a small apartment, mix and amend your soil near an open window.

What's the difference between the granulated and non-granulated versions?

The non-granulated version is a fine powder blend and is approved for organic agriculture. The granulated version compresses the same ingredients into uniform pellets for easier broadcasting on lawns and large garden beds, but the granulation process means it is not approved for certified organic use. For container growing and indoor gardens, the non-granulated (powder) version is what most growers use. The version we carry at Happy Hydro is the non-granulated, organic-approved blend.

How do I know if I've added too much?

Slow-release dry amendments are more forgiving than liquid nutrients, but overapplication can still cause issues over time. Signs of too much nitrogen include very dark green, waxy-looking leaves and downward leaf tip curl. If you're unsure, stick with the recommended rate and only increase if you see signs of deficiency (yellowing lower leaves, slow growth) after a full month. Cutting the rate in half for the first application and watching how your plants respond is a safe approach for beginners.

What if I receive a damaged product or it's not right for my setup?

If you receive a defective or damaged unit, email us a photo at help@happyhydro.com and we'll make it right immediately: replacement or refund, your call. For change-of-mind returns, we accept returns within 30 days for items in new, resalable condition. If you're not sure whether this product is right for your setup, call us first at 716-217-0353. We'd rather answer your questions before you order.

Why should I buy this from Happy Hydro instead of somewhere else?

Happy Hydro has been selling growing equipment since 2006. We've carried Gaia Green for years because the systems work great and customers who buy them leave happy. Have questions before you order? Call 716-217-0353 or email help@happyhydro.com. We're easy to reach and happy to help!

Why Buy From Happy Hydro

Happy Hydro began as a pipe dream in a garage and has grown into something built almost entirely on word of mouth and repeat customers. Rather than focusing on raising margins and obsessing over profits, we've always believed that the right combination of competitive prices, superior products, and world-class customer service speaks for itself. Our philosophy will never change: when you're happy, we're happy.

Our commitment

What you can expect from Happy Hydro

Real People, Real Growers

Our grower support team isn't a call center. They know the products because they're passionate about growing. Reach us Monday-Friday, 10 am-4 pm EST at 716-217-0353 or help@happyhydro.com, before you order or after.

Hand-Picked by Growers, for Growers

Every brand we carry was chosen by our founders because it performs. We only stock premium brands we believe in, and every item is inspected before it leaves our warehouse.

Fair Prices and Free Shipping

We work hard to keep our prices as low as manufacturers allow, and we include free shipping on orders over $49 so there are no surprises at checkout. Find a lower price anywhere and we'll match it.

Authorized for Every Brand We Carry

We're an authorized dealer for every manufacturer on our site. That means you get the full manufacturer's warranty on every purchase. No grey market, no expired stock.

30-Day Returns on Most Orders

Hard to commit to a product you haven't tried. Return most items within 30 days in original condition and we'll take care of it. Read the full policy.

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Volume and Commercial Pricing

If you're a commercial grower or putting together a large order, reach out before you buy. We have pricing available that we can't advertise publicly. Call 716-217-0353 or email help@happyhydro.com and we'll take care of you.

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Gaia Green Organic All Purpose Fertilizer 4-4-4

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