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Aptus Finaleboost - Green Thumb Depot
Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster

Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster

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SKU: AP22010

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$84.95
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Aptus Finaleboost

Aptus Finaleboost is a precision potassium flowering booster formulated for the final ripening stages of bloom. Used from week 5 through harvest, it delivers plant-available potassium without phosphorus interference, supporting improved flower density, ripening, and finish while preserving nitrogen, calcium, and magnesium availability for optimal plant health.

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

Controlled Potassium for Final Flower Ripening

Finaleboost isolates potassium into a single, highly available product, giving growers complete control over late-stage bloom nutrition while avoiding the nutrient antagonism common in bulk PK bloom boosters.

  • High plant-available potassium for late flowering
  • Designed around Aptus mineral antagonism philosophy
  • Avoids phosphorus-related nutrient lockout
  • Preserves nitrogen, calcium, and magnesium availability
  • Supports flower bulking, density, and ripening
  • Compatible with soil, coco, and hydro systems

Finish Strong with Precision Potassium

Aptus Finaleboost gives growers unmatched control during the most critical flowering weeks. By delivering clean, plant-available potassium without phosphorus interference, it enhances flower density, improves ripening, and helps plants reach their full genetic potential at harvest.

Why Aptus?

Aptus is trusted by professional growers worldwide for its science-driven formulations, premium raw materials, and uncompromising quality. Each product is designed to deliver maximum efficiency with minimal input, helping growers achieve consistent, high-quality results through precision nutrition.

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 Aptus Finaleboost used for?
Finaleboost supplies high levels of plant-available potassium to support flower bulking and ripening during late flowering.
When should Finaleboost be applied?
Begin using in week 5 of flowering and continue through week 8, increasing the dosage as flowering progresses.
What is the recommended dosage?
Use 6 ml per 5 gallons starting week 5, increasing up to 20 ml per 5 gallons by week 8 of flowering.
Can Finaleboost be used with Peakboost?
Yes, but during weeks 7 and 8 of flowering, Peakboost should be discontinued while continuing Finaleboost.
Does Finaleboost contain phosphorus?
Finaleboost focuses on potassium delivery and avoids excess phosphorus to prevent nutrient antagonism.
What sizes is Aptus Finaleboost available in?
Aptus Finaleboost is available in 1L, 5L, and 20L sizes.
Is Finaleboost compatible with other Aptus products?
Yes, Finaleboost is designed to integrate seamlessly with the complete Aptus feeding program.

Specifications

Aptus Finaleboost
Product Name Aptus Finaleboost
SKU AP22010
Available Sizes 1L, 5L, 20L
NPK Nitrogen (N) 3
NPK Potassium (K) 16
Application Phase Flowering Weeks 5–8
Growing Media Soil, Coco, Hydroponics
Shipping Weight (1L) 3.25 lbs

What is included?

It includes:

  • Aptus Finaleboost (Selected Size: 1L, 5L, or 20L)
  • Original Manufacturer-Sealed Container
  • Usage and Application Instructions

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster

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Aptus Finaleboost

Aptus Finaleboost is a bloom-phase nutrient focused on delivering plant-available potassium during the final ripening stages. By minimizing antagonistic effects on nitrogen, calcium, and magnesium, it enhances overall plant health and supports robust flower development. Ideal for weeks 5-8 of flowering, Finaleboost is available in 1L, 5L, and 20L sizes for precise potassium management and optimal harvest quality.

Product Overview

Specifications

What's Included?

Warranty & Returns

Product Overview

Aptus Finaleboost is formulated to provide concentrated potassium for the critical end-stage flowering phase. By separating potassium from other minerals, it prevents antagonistic nutrient effects and ensures optimal uptake of nitrogen, calcium, and magnesium. This promotes strong flower development, improved bulking, and maximized yield, making it an essential complement to Aptus Peakboost in your bloom-phase feeding program.

Key Features:
1. Targeted Potassium Delivery
2. Reduces Mineral Antagonism
3. Enhances Flower Development
4. Supports Plant Health
5. Weeks 5-8 Bloom Use
6. Improves Final Yield

wetanddry
wetanddry

Features and Benefits of Aptus Finaleboost

Aptus Finaleboost ensures high plant-available potassium is delivered precisely during the final flowering weeks. Its formulation prevents antagonistic interactions with essential nutrients, promoting healthier plants and robust flower bulking for a superior harvest.

Potassium Boost

Mineral Balance

Flower Enhancement

Optimal Harvest

Available in Different Sizes

How to Use

1. Start Bloom Week 5: 6 mL per 5 gallons.

2. End Bloom Week 8: Increase to 20 mL per 5 gallons.

3. Weeks 7-8: Do not use Peakboost.

4. Shake well before use.

5. Store in a cool, dark location.

6. Avoid returning unused solution to the bottle.

7. Use alongside Aptus Peakboost for full bloom-phase support.

Why Aptus?

Aptus is trusted by professional growers worldwide for its science-driven formulations, premium raw materials, and uncompromising quality. Each product is designed to deliver maximum efficiency with minimal input, helping growers achieve consistent, high-quality results through precision nutrition.

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

Customer Reviews


Trusted by authentic customer reviews from verified buyers worldwide.
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
←
→


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FAQ Section

What is Aptus Finaleboost used for?
Finaleboost supplies high levels of plant-available potassium to support flower bulking and ripening during late flowering.
When should Finaleboost be applied?
Begin using in week 5 of flowering and continue through week 8, increasing the dosage as flowering progresses.
What is the recommended dosage?
Use 6 ml per 5 gallons starting week 5, increasing up to 20 ml per 5 gallons by week 8 of flowering.
Can Finaleboost be used with Peakboost?
Yes, but during weeks 7 and 8 of flowering, Peakboost should be discontinued while continuing Finaleboost.
Does Finaleboost contain phosphorus?
Finaleboost focuses on potassium delivery and avoids excess phosphorus to prevent nutrient antagonism.
What sizes is Aptus Finaleboost available in?
Aptus Finaleboost is available in 1L, 5L, and 20L sizes.
Is Finaleboost compatible with other Aptus products?
Yes, Finaleboost is designed to integrate seamlessly with the complete Aptus feeding program.

Specs & Dimensions

Weight According to selected size
Brand Aptus
Available Sizes 1 L, 5 L, 20 L
Brand Aptus
SKU AP22010
Weight (lb.) 3.25
Height (in.) 9.5
Width (in.) 3.5
Length (in.) 3.5
N-P-K 3 - 0 - 16

Items in the box

Aptus Finaleboost Bottle

Manufacturer-Sealed Container

Warranty & Returns

Please check out the manufacturers website for Warranty related issues.

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