SKU: 40268870568
plant bloom fertilizer

plant bloom fertilizer Gaia Green Fertilizer 2-8-4 Power Bloom Fertilizer Plant Nutrients 2.2 kg USA Imported

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Description

plant bloom fertilizer Gaia Green Fertilizer 2-8-4 Power Bloom Fertilizer Plant Nutrients 2.2 kg USA ImportedGaia Green Power Bloom 2 8 4 Happy Hydro High phosphorus for the flowering stage. Same simplicity as All Purpose, tuned for bloom. Gaia Green Power Bloom 2 8 4 is the flowering counterpart to All Purpose 4 4 4. Where All Purpose handles vegetative growth, Power Bloom delivers 8% phosphorus and 4% potassium from 14 organic ingredients to support flowering, fruiting, and root development. Top dress once a month during bloom, or blend it with All Purpose

Gaia Green Power Bloom 2-8-4 | Happy Hydro

High phosphorus for the flowering stage. Same simplicity as All Purpose, tuned for bloom.

Gaia Green Power Bloom 2-8-4 is the flowering counterpart to All Purpose 4-4-4. Where All Purpose handles vegetative growth, Power Bloom delivers 8% phosphorus and 4% potassium from 14 organic ingredients to support flowering, fruiting, and root development. Top-dress once a month during bloom, or blend it with All Purpose at the transition. Organic growers have relied on this exact two-product system for over 20 years.

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
See it in action
How to use Gaia Green dry amendments
Why growers switch
Liquid PK boosters vs. Gaia Green Power Bloom 2-8-4
Liquid PK Boosters
  • Another bottle to buy on top of your base nutrients
  • Measure and mix at every watering during flower
  • Easy to overshoot and lock out other nutrients
  • Salt-based P and K build up and require flushing
  • No secondary nutrients or trace minerals included
  • Feeds the plant directly, bypasses soil biology
Gaia Green Power Bloom
  • One product replaces PK booster, bloom base, and supplements
  • Top-dress once a month, water normally in between
  • Slow-release formula is forgiving, hard to burn at recommended rates
  • Organic inputs, no salt buildup, no flush required
  • 4.5% calcium, 2.3% sulfur, plus trace minerals from rock dust and greensand
  • Microbes break down ingredients on demand, nutrients stay in the root zone
What makes it work
High P, moderate K, low N: built for the demands of flower

8% phosphorus from four different sources 2% N, 8% P, 4% K

Bone meal, mineralized phosphate, fishbone meal, and rock phosphate each release at different speeds. That spread ensures phosphorus availability from the first week of flower through the final weeks of fruit set.

Low nitrogen, mostly slow-release, to avoid excess foliage in bloom

Only 2% total nitrogen, and 75% of that is water-insoluble (the opposite of All Purpose). This means a slow, steady background feed of nitrogen without the vegetative push that flowering plants don't need.

4.5% calcium and 2.3% sulfur already included

Calcium demand spikes during flower, especially around weeks 3 to 5. Bone meal, fishbone meal, and gypsum provide it here without adding a separate cal-mag supplement.

Glacial rock dust and basalt for trace minerals during heavy production

Flowering and fruiting plants pull hard on iron, manganese, and magnesium. Both rock dusts supply these trace elements along with dozens of micronutrients that single-ingredient bloom boosters miss.

Insect frass and humic acid keep the soil food web active through harvest

Late in flower, soil biology can slow down as organic matter gets consumed. Insect frass and humic acid act as food for beneficial microbes so nutrient cycling doesn't stall when plants need it most.

Pairs with All Purpose 4-4-4 for a complete veg-to-harvest system

Use All Purpose 4-4-4 during veg, then transition to Power Bloom at the flip. The two products share the same application rates, so switching is just swapping which tub you reach for.

Specs
Guaranteed analysis and product details
NPK Ratio
2-8-4
Nitrogen Breakdown
0.5% water-soluble, 1.5% 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 (14 ingredients)

Bone meal, mineralized phosphate, fishbone meal, rock phosphate, mined potassium sulphate, glacial rock dust, insect frass, feather meal, basalt rock dust, kelp meal (Ascophyllum nodosum), humic acid, gypsum, greensand, blood meal.

Amendment calculator

What the math looks like

Monthly top-dressing in bloom

At 1 tbsp per gallon, a 5-gallon pot uses 5 tbsp per month. A 2 kg tub gives you roughly 7 months of monthly top-dresses for a single 5-gallon pot.

Pre-mixing flower soil

At 3 tbsp per gallon, one 2 kg tub pre-mixes about 60 gallons. That fills twelve 5-gallon pots at under $1.10 per pot.

Full cycle cost (veg + bloom)

One tub of All Purpose ($10.95) plus one tub of Power Bloom ($12.95) covers a full veg-to-harvest cycle for multiple containers. The bundle saves even more.

Compared to liquid bloom boosters

A bottle of Botanicare Hydroplex runs about $20 for 1 quart and still requires a separate base nutrient. One tub of Power Bloom at $12.95 handles the entire flowering stage on its own.

How to use it: transition, bloom, and re-amend

1

Transition at the flip with a 50/50 blend

When plants begin showing flowers, top-dress with a 50/50 mix of All Purpose and Power Bloom at 1 tablespoon per gallon of soil. This provides the phosphorus boost flowering needs while keeping some nitrogen available for the stretch.

2

Switch to 100% Power Bloom for peak flower

After the first top-dress, go full Power Bloom for the remaining bloom applications. Top-dress 1 tablespoon per gallon every 3 to 4 weeks. Scratch lightly into the surface and water in.

3

Stop top-dressing 2 to 3 weeks before harvest

Because dry amendments take about a week to break down, stopping 2 to 3 weeks before harvest lets the plant use what's already in the soil without adding more. No flush protocol needed with organic inputs.

4

Re-amend with All Purpose for the next cycle

After harvest, pull the root ball and re-amend with All Purpose 4-4-4 plus worm castings to reset the soil for veg. Let it cook 2 to 4 weeks, then plant again.

Available sizes
Pick your size and build a complete system
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, pre-mixes ~60 gallons of soil
  • 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
Works with
  • Media: Pro-Mix, Fox Farm Ocean Forest, Roots Organics, coco coir, peat-based mixes, garden soil
  • Plants: Tomatoes, peppers, squash, cucumbers, fruiting trees, flowering ornamentals, and any crop that fruits or flowers
How many tubs do I need? A single 2 kg tub top-dresses a 5-gallon pot monthly for about 7 months. Running four 5-gallon pots through a 10-week flower? One 2 kg tub covers it.
Pair with for a complete system
Not sure what you need? Call or email and we'll help you figure out the right combination and sizes for your setup. 716-217-0353 / [email protected]
Questions
Frequently asked questions
Power Bloom is designed for the flowering stage. It has only 2% nitrogen, which isn't enough to carry most plants through vegetative growth. For a complete veg-to-harvest system, start with All Purpose 4-4-4 during veg and switch to Power Bloom when flowering begins. Some growers pre-mix a small amount of Power Bloom into their starting soil alongside All Purpose so phosphorus is available early for root development, but the majority of Power Bloom usage happens during flower.
Most growers start with a 50/50 blend at the first sign of flowering, then move to 100% Power Bloom for subsequent top-dresses. For autoflowers, some growers start with 70/30 All Purpose to Power Bloom during early veg, then shift to 50/50, then to 70/30 Power Bloom to All Purpose in late bloom. The exact ratio depends on your genetics and how heavy a feeder the plant is. If you're unsure, 50/50 at the transition and 100% Power Bloom after that is the simplest approach.
Yes. Any plant that flowers and fruits benefits from the higher phosphorus and potassium in this blend. Tomatoes, peppers, squash, cucumbers, strawberries, fruit trees, and flowering ornamentals all respond well. The application rate is the same: 1 tablespoon per gallon of soil as a monthly top-dress once the plant begins to flower or set fruit.
Power Bloom has a noticeable fishy, earthy smell when you open the tub and when you first work it into soil. That comes from the bone meal and fishbone meal. The smell fades within a day or two once it's watered in. It won't make your grow room smell long-term, but you'll notice it during application. If you're in a small apartment, apply near an open window.
The non-granulated version is a fine powder blend and is approved for organic agriculture. The granulated version compresses the same ingredients into pellets for easier broadcasting on lawns and large beds, but the granulation process means it is not certified organic. For containers and indoor growing, the non-granulated (powder) version is what most growers use. Happy Hydro carries the non-granulated, organic-approved blend.
Stop top-dressing about 2 to 3 weeks before you plan to harvest. Since dry amendments take roughly a week to break down and become plant-available, stopping early lets the plant finish using what's already in the soil. Unlike salt-based nutrients, organic amendments don't require a flush. The plant will naturally use up the remaining available nutrients during those final weeks.
If you receive a defective or damaged unit, email us a photo at [email protected] 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.
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 [email protected]. We're easy to reach and happy to help!
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40268870568

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4.6 ★★★★★
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GMTTD
Lowell, US
★★★★★ 5
Great product
Style: AVR-S770H
I have owned several $1000.00 plus theater systems of 7.1(2) channels and I have never heard my speakers put out the sound like the Denon does. I would never change systems again unless Denon stops producing this product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
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Verified Purchase
John E. Holiday
Natrona Heights, US
★★★★★ 5
AVR-S770H - My first AVR and my first Denon - works great with Directv and Fire Stick
Style: AVR-S770H
This review is for the Denon AVR-S770H. I was apprehensive about buying an AVR for my main TV. I've always used a soundbar and was happy with the results. I assumed that adding an AVR would make things finicky and complicated. I'm happy to say, that is not true. This Denon has been fabulous. My requirements for a home theater receiver were/are the following: 1) Ease of use and NO additional remotes to our current set-up (family needs, I'm not a bachelor!) 2) I need the ability to connect 2 zones: the TV room and I have a pair of outdoor speakers on the patio First, as to the remote situation, I use Directv and I use an Amazon Fire Stick 4k. My old set-up was super simple. I picked up the Directv remote and hit Power. That turned on the TV, the Directv box, and the soundbar (since it was connected to the TV ARC port). Simple. If I wanted to change over to the Fire Stick, I simply used the same Directv remote to change the input and then used the Fire Stick remote from there. I'm happy to say the Denon has made things even simpler. Not only does the Directv remote turn on/off the TV, Direct box, and the Denon receiver but now I don't even have to bother switching inputs. If I pick up the Fire Stick remote and hit the Home button, the Denon senses that and immediately switches over. Likewise, if I pick up the Directv remote and hit a button, the Denon will switch back over to Directv. So that is an actual improvement. By the way, in order to get the Directv remote to turn off the Denon, don't worry about trying to program the remote via the Directv menu (I tried all the codes and failed). Instead, go to the Denon setting menu. Choose Setup> Video> HDMI Setup. Change the "Power Off Control" to "Video" or "All". Now the Denon will turn on/off when the TV does (using the Directv remote). My second concern was operating a second set of speakers via Zone 2. That also works perfectly. Now when I step outside to sit on the patio, I simply hit the Zone 2 button on the front of the Denon. I can use my phone to play music via the Denon's built-in Bluetooth. Some users need to be aware: in order to operate Zone 2, the receiver needs to be switched from 7.2 channel to 5.1 + Zone 2. That's perfectly acceptable for me since my TV has only front L & R speakers and a subwoofer. So I'm not even using the full capabilities of the 5.1. If you need 7.2 and a second zone, you need to find a different AVR. In sum, I bought this Denon with some trepidation and thought maybe I'd have to return it. Instead, it does everything I want and then some. Of course, it sounds great too. I'm so glad I switched from the soundbar.
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Reviewed in the United States on May 4, 2025
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Verified Purchase
Ricus
Phoenix, US
★★★★★ 5
Wow!
Style: AVR-S770H
I had an Onkyo 5100 for a few years and experienced lots of issues with the UI over HDMI but after many many firmware updates they seemed to have resolved that and it had a great sound. Recently however the receiver started to turn itself on for no reason and I felt that it was a fire hazard. I bought this unit as a replacement and so far it is flawless. I believe that this receiver sounds even better and hopefully more reliable. The Atmos sound is excellent.
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Reviewed in the United States on October 25, 2024
P
Verified Purchase
primem0ver
Lake Worth, US
★★★★★ 1
A firmware nightmare
Style: AVR-S770H
This piece of garbage has a mind of its own.  I bought it because I needed an HDR friendly device and it was highly recommended on more than one receiver list and went for a decent price.  In strictly audio terms it is a nice machine, though I wouldn't say its features are extensive.  However, IT decides when it wants to do things.  It randomly goes to zero volume without me touching anything (around once a week on average).  It randomly decides not to give me a picture when I turn it on.  This has improved since the last firmware update.  We are down from almost 20% of the time to slightly less than 10%.  Yes.  You read that correctly.  I have to turn it off and then on again, sometimes more than once before anything besides a brand name will show up on my TV.  It is supposed to have a screensaver but that never comes up unless they consider the stationary brand name a screen saver.  I have owned this thing for over 6 months and actually seen a screensaver with animation twice.  I have to turn my TV off if I am going to be away from it for any amount of time.  It has had plenty of opportunity.  The bottom line is that the people who write the firmware (operation software) don't seem to know what they are doing because this device is terrible at detecting REAL events and performing the necessary actions.  As a software/media developer, my primary device is a PC but I have been using PCs with receivers for decades and never had these kinds of problems.  Oh yeah... and the latest estimate of a firmware download is over 10 minutes.
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Reviewed in the United States on July 13, 2025
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Verified Purchase
Neuralsplyce
Draper, US
★★★★★ 5
Turned me into a Denon fan.
Style: AVR-S770H
I've only ever used Sony components for over 30 years. My latest Sony receiver experienced some problems. When I saw how much it would cost to repair it myself (circuit board swap), I decided to look at what else is on the market. This receiver costs less than the Sony replacement part with S&H. When the box showed up with full-sized, color pictures of the front and back of the receiver, I knew I was going to become a fan. Opened the box and one of the first thing I saw was a sheet of colored cable labels that includes labels for the components that will be plugged into the receiver. Pull the receiver out and see that the ports are color-coded too. Color-coded ports and labels is something I'm very serious about. I worked for years as a field engineer for a Fortune 100 computer equipment manufacturer. The low-end components started at $100k. For years, I tried - and repeatedly failed - to convince the product design teams to color-code the ports. To find everything I had fought for in a consumer-grade device was a dream come true. Not satisfied to make the cabling process as easy as paint-by-numbers, Denon embedded a video setup routine in the receiver that walks you through setting up your speakers, running the cables, and plugging in every single cable. The audio calibration process far exceeds what the Sony receivers do. In the box is a microphone with really long cable and a cardboard microphone stand you can easily assemble and disassemble. During the lengthy calibration, you place the microphone in 3 different listener positions - twice - for a total of 6 room readings. Adding components to each HDMI port was also just as easy and detailed. I have a small 'home theater PC' that it detected and gave me multiple names to assign to the port (Sony port names are fixed). I plugged my Xbox into the Game port and the top name on the list was Xbox. In no time, my home theater was back to normal - and I haven't even download the user manual to learn how to use the other features or go into the advanced settings.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2024

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