Skip to content
Emerald Harvest Cali Pro Bloom B - Green Thumb Depot
Emerald Harvest Cali Pro Bloom B

Emerald Harvest Cali Pro Bloom B

See more by Emerald Harvest
SKU: EMHCPBBQ

Official Distributor

$0.00
Preview Icon

An Important Note on Pricing and Returns:

We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy, transparent returns. If you're comparing options, we encourage you to review competitors’ fine print carefully.

We've helped countless customers who had issues elsewhere, and we’re here to make sure that never happens to you.

Or

Monthly payments start at:

$0.00/mo

Learn More

Check Icon

Monthly Payment Start at:

$0.00/mo

Learn More

Contact us about commercial pricing
Size Options

Notify me when back in stock

Free Shipping

On most orders

Call Us

(833) 416-0375

Mon-Fri 9am-6pm CST

Lowest Price Guranteed

There is never a better price,

we can always price match

No Sales Tax

Absolutely no tax on any purchase

Easy Returns

Always hassle free

Free Shipping

Lowest Price Gurantee

No Sales Tax

Easy Returns

Emerald Harvest Cali Pro Bloom B

Emerald Harvest Cali Pro Bloom B is the companion part of the 2-part Cali Pro flowering nutrient system, providing a balanced mix of nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, and trace elements. Designed for easy measure-and-pour feeding, it supports strong stems, vibrant blooms, and high-yield indoor crops, helping both novice and professional growers harness the full genetic potential of their plants with minimal effort.

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

Key Features of Emerald Harvest Cali Pro Bloom B

Cali Pro Bloom B delivers essential nutrients for flowering in a simple, professional-grade formula. It enhances plant structure, supports nutrient absorption, and promotes abundant fruiting and flowering with minimal effort.

  • Part of a simple 2-part nutrient system (A & B) for flowering.
  • Balanced NPK for flowering (N: 1, P: 4, K: 6).
  • Contains calcium, magnesium, sulfur, and trace micronutrients.
  • Easy “measure and pour” feeding method for consistent results.
  • Supports high-yield indoor-grown crops.
  • Suitable for novice and expert growers alike.

Simple Feeding, Maximum Flowering

Cali Pro Bloom B simplifies the flowering stage by providing plants with all essential nutrients in a single, easy-to-use formula. It strengthens plant structure, enhances bloom density, and ensures abundant flowering for high-yield crops.

Why Emerald Harvest?

Emerald Harvest is trusted by professional growers for delivering reliable, high-quality nutrients that support every growth stage. Their 3-part nutrient system allows flexible feeding programs, precision nutrient management, and exceptional harvest results, ensuring growers achieve maximum potential and consistency in every crop.

Why Buy From Us?

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Reviewer
Jim D

Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again
Reviewer
Glenn Appleton

The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Reviewer
Freddie

Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Reviewer
Kar

←
→

FAQ Section

What is Cali Pro Bloom B?
Cali Pro Bloom B is the B-part of the 2-part Cali Pro nutrient system for flowering, supplying essential macro and micronutrients for strong stems and abundant blooms.
Which sizes are available?
Cali Pro Bloom B is available in 1 qt, 1 gal, 2.5 gal, 6 gal, 15 gal, 55 gal, and 270 gal sizes.
How do I use the A & B parts?
Simply measure equal portions of Bloom A and Bloom B, then mix with water and feed plants according to their flowering stage.
Is it suitable for indoor crops?
Yes, it is ideal for indoor-grown crops that require precise nutrient supplementation during flowering.
Which nutrients are included?
Bloom B contains nitrogen (1), phosphorus (4), potassium (6), calcium, magnesium, sulfur, and trace micronutrients like iron, cobalt, manganese, and zinc.
Can beginners use it?
Yes, the simple measure-and-pour method makes it easy for beginners to feed plants correctly during flowering.
Do I need to adjust ratios for different plants?
No, use equal portions of Bloom A & B for most plants. Experienced growers may fine-tune based on crop type or environmental conditions.

Specifications

Emerald Harvest Cali Pro Bloom B
Product Name Emerald Harvest Cali Pro Bloom B
SKU EMHCPBBG
NPK Nitrogen (N) 1
NPK Phosphorus (P) 4
NPK Potassium (K) 6
Dimensions (EA) 7.7L x 4.7W x 12.7H
Dimensions (CS) 13.0L x 7.9W x 18.8H
Dimensions (PL) 48.0L x 40.0W x 63.0H
Shipping Weight 9.82 lbs
Barcodes 859041005839 (UPC-A), 10859041005836 (GTIN)
Available Sizes 1 qt, 1 gal, 2.5 gal, 6 gal, 15 gal, 55 gal, 270 gal

What is included?

It includes:

  • Emerald Harvest Cali Pro Bloom B (1 qt / 1 gal / 2.5 gal / 6 gal / 15 gal / 55 gal / 270 gal)
  • User Instruction Manual

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

img

Emerald Harvest Cali Pro Bloom B

Emerald Harvest Cali Pro Bloom B is part of the professional 2-part base nutrient system designed for consistent, high-performance flowering. Formulated for use with Cali Pro Bloom A, this nitrogen-reduced, phosphorus- and potassium-rich solution supports vigorous flowering, strong structure, and productive harvests. Its simple equal-part mixing makes it ideal for both novice and experienced growers seeking reliable, professional results.

Product Overview

Specifications

What's Included?

Warranty & Returns

Product Overview

Emerald Harvest Cali Pro Bloom B is a premium base nutrient formulated to support plants throughout the flowering stage. Used alongside Cali Pro Bloom A, it delivers essential macro- and micronutrients that promote healthy flower development, strong stems, and balanced nutrition. The easy 2-part system simplifies feeding while helping growers maximize genetic potential and overall crop performance.

Key Features:
1. Two-Part System
2. Flowering Support
3. Easy Mixing
4. Balanced Nutrition
5. Professional Results
6. Versatile Use

wetanddry
wetanddry

Features and Benefits of Emerald Harvest Cali Pro Bloom B

Emerald Harvest Cali Pro Bloom B delivers targeted nutrition to support strong flowering performance in high-yield crops. When paired with Bloom A, it provides essential phosphorus, potassium, calcium, magnesium, sulfur, and trace elements to maintain plant vigor and consistency. Its straightforward feeding approach saves time while delivering dependable results across multiple growing systems.

Easy Mixing

Balanced Nutrition

Professional Grade

Consistent Results

Available in Different Sizes

How to Use

1. Use during the flowering stage only.

2. Always use equal parts of Cali Pro Bloom A & Cali Pro Bloom B.

3. Mix into water according to Emerald Harvest feeding schedule.

4. Suitable for hydroponic, soilless, and indoor growing systems.

5. Adjust pH after nutrients are fully mixed.

6. Shake well before use.

7. Do not pour unused solution back into the bottle.

8. Store in a cool, dark place.

Why Emerald Harvest?

Emerald Harvest is trusted by professional growers for delivering reliable, high-quality nutrients that support every growth stage. Their 3-part nutrient system allows flexible feeding programs, precision nutrient management, and exceptional harvest results, ensuring growers achieve maximum potential and consistency in every crop.

wetanddry
wetanddry
wetanddry

Why Choose Us

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

wetanddry
Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Jim D
Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I’ll definitely order from them again
Glenn Appleton
The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we’re starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Freddie
Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Kar
←
→


Why Thousands of Growers Choose to Work Exclusively with Greenhouse with plants

Green Thumb Depot Logo

Them Green Thumb Depot Logo

icons-no Support
icons-no Nearly impossible to reach a real person. Endless chatbot loops, auto-replies, and unreturned emails.
icons-no Real humans. We answer quickly. Always here, always helpful
icons-no Order Processing
icons-no Orders often sit for days before being acknowledged. No clear confirmation, updates, or timelines.
icons-no Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
icons-no Shipping
icons-no Slow, vague, and unoptimized. Basic carriers, minimal tracking, and delayed delivery windows.
icons-no Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
icons-no Pricing
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady tactics after the sale.
icons-no Returns & Warranty
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
icons-no Support
icons-no Frustrating automated responses
icons-no Fast, helpful and always supportive
icons-no Order Processing
icons-no Delays and lack of communication
icons-no Instant processing and updates
icons-no Shipping
icons-no Slow, unreliable and delayed service
icons-no Fast, insured, trackable shipping
icons-no Pricing
icons-no Deceptive pricing practices
icons-no Lowest prices, no surprises
icons-no Return & Warranty
icons-no Frustrating, misleading return policies
icons-no Clear, honest return policy

FAQ Section

What is Cali Pro Bloom B?
Cali Pro Bloom B is the B-part of the 2-part Cali Pro nutrient system for flowering, supplying essential macro and micronutrients for strong stems and abundant blooms.
Which sizes are available?
Cali Pro Bloom B is available in 1 qt, 1 gal, 2.5 gal, 6 gal, 15 gal, 55 gal, and 270 gal sizes.
How do I use the A & B parts?
Simply measure equal portions of Bloom A and Bloom B, then mix with water and feed plants according to their flowering stage.
Is it suitable for indoor crops?
Yes, it is ideal for indoor-grown crops that require precise nutrient supplementation during flowering.
Can it be used for indoor crops?
Yes, it is ideal for indoor-grown crops requiring precise, balanced nutrients during flowering.
Which nutrients are included?
Bloom B contains nitrogen (1), phosphorus (4), potassium (6), calcium, magnesium, sulfur, and trace micronutrients like iron, cobalt, manganese, and zinc.
Can beginners use it?
Yes, the simple measure-and-pour method makes it easy for beginners to feed plants correctly during flowering.
Do I need to adjust ratios for different plants?
No, use equal portions of Bloom A & B for most plants. Experienced growers may fine-tune based on crop type or environmental conditions.

Specs & Dimensions

Weight According to selected size
Brand Emerald Harvest
Feed Chart Refer to Emerald Harvest Feeding Schedule
Brand Emerald Harvest
SKU EMHCPBBG
N-P-K 1 - 4 - 6
Available Sizes 1 qt, 1 gal, 2.5 gal, 6 gal, 15 gal, 55 gal, 270 gal
UPC 859041005839
Shipping Weight 9.82 lbs (1 gal)

Items in the box

Emerald Harvest Cali Pro Bloom B (Selected Size)

User Instruction Manual

Warranty & Returns

Please check out the manufacturers website for Warranty related issues.

>