🎉 Up to 70% Off Selected ItemsShop Sale
\n
\n

FAQ Section

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

Specifications \"\"\n

\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Aptus Finaleboost\"\"
Product NameAptus Finaleboost
SKUAP22010
Available Sizes1L, 5L, 20L
NPK Nitrogen (N)3
NPK Potassium (K)16
Application PhaseFlowering Weeks 5–8
Growing MediaSoil, Coco, Hydroponics
Shipping Weight (1L)3.25 lbs
\n
\n
\n
\n
\n

What is included? \"\"\n

\n

It includes:

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

Warranty Policy

\n

Please check out the manufcaturers website for Warranty related issues.

\n
\n
\n
\n","image":["https://img.greenthumbdepotonline.shop/images/product/aptus-finaleboost-1.jpg","https://img.greenthumbdepotonline.shop/images/product/aptus-finaleboost-2.jpg","https://img.greenthumbdepotonline.shop/images/product/aptus-finaleboost-3.jpg"],"sku":"aptus-finaleboost","brand":{"@type":"Brand","name":"Green Thumb Depot"},"offers":{"@type":"AggregateOffer","lowPrice":29.73,"highPrice":412.98,"priceCurrency":"USD","availability":"https://schema.org/InStock","url":"https://greenthumbdepotonline.shop/products/aptus-finaleboost","offerCount":5}}
Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster
HomeStore

Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster

Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster

Select Size Options
Select Quantity
From $29.73

Original: $84.95

-65%
Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster—

$84.95

$29.73

The Story

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 - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Aptus Finaleboost Late-Bloom Potassium & Sulfur Ripening Booster - Image 3

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

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 | Green Thumb Depot