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FAQ Section

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What is Aptus StartBoost used for? \n
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StartBoost is used to improve micronutrient uptake and support strong vegetative growth and early root development.
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When should I use StartBoost? \n
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Use StartBoost throughout the entire vegetative phase and during the first week of flowering only.
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What is the standard application rate? \n
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Apply at 1 ml per gallon during vegetative growth and week 1 of flowering.
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Can StartBoost be used for seedlings and clones? \n
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Yes, it can be used alone at 1 ml per liter as a seedling or rooted clone drench.
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Can StartBoost be used as a root dip? \n
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Yes, dilute at 1:100 or 10 ml per liter for use as a root dip when transplanting rooted cuttings.
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What sizes is Aptus StartBoost available in? \n
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Aptus StartBoost is available in 1L, 5L, and 20L sizes.
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Can StartBoost be used with other Aptus nutrients? \n
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Yes, StartBoost is designed to be used alongside other Aptus Plant Tech products as a core foundation additive.
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Specifications \"\"\n

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Aptus StartBoost\"\"
Product NameAptus StartBoost
SKUAP12010
Available Sizes1L, 5L, 20L
Application PhaseVegetative Phase & Week 1 of Flowering
Primary IngredientHumic Acid (Leonardite)
Growing MediaSoil, Coco, Hydroponics
Shipping Weight (1L)2.9 lbs
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What is included? \"\"\n

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It includes:

\n
\n
    \n
  • \n\"\" Aptus StartBoost (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
\"\"
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\n
\n
\n
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Warranty Policy

\n

Please check out the manufcaturers website for Warranty related issues.

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Aptus Startboost Humic Acid Vegetative Growth Enhancer
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Aptus Startboost Humic Acid Vegetative Growth Enhancer

Aptus Startboost Humic Acid Vegetative Growth Enhancer

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From $55.98

Original: $159.95

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Aptus Startboost Humic Acid Vegetative Growth Enhancer—

$159.95

$55.98

The Story

Aptus StartBoost

Aptus StartBoost is a premium humic acid-based additive derived from natural leonardite, designed to enhance micronutrient uptake and root-zone efficiency. Used throughout the vegetative phase and into the first week of flowering, it supports strong early growth, improved nutrient availability, and healthier plant development in soil, coco, and hydroponic systems.

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

Humic Acid Foundation for Early Growth

StartBoost delivers high-quality humic acid that improves nutrient chelation and uptake, helping plants access essential micronutrients more efficiently during early and high-demand growth stages.

  • Derived from natural leonardite humic acid
  • Improves micronutrient uptake and availability
  • Foundation product in the Aptus Premium Collection
  • Supports root development and vegetative growth
  • Ideal for seedlings, clones, and transplants
  • Compatible with soil, coco, and hydro systems

Build a Strong Foundation from Day One

Aptus StartBoost enhances the root zone by improving nutrient chelation and uptake during early growth. By supporting strong vegetative development and efficient micronutrient absorption, it sets plants up for healthier transitions into flowering and long-term performance.

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 StartBoost used for?
StartBoost is used to improve micronutrient uptake and support strong vegetative growth and early root development.
When should I use StartBoost?
Use StartBoost throughout the entire vegetative phase and during the first week of flowering only.
What is the standard application rate?
Apply at 1 ml per gallon during vegetative growth and week 1 of flowering.
Can StartBoost be used for seedlings and clones?
Yes, it can be used alone at 1 ml per liter as a seedling or rooted clone drench.
Can StartBoost be used as a root dip?
Yes, dilute at 1:100 or 10 ml per liter for use as a root dip when transplanting rooted cuttings.
What sizes is Aptus StartBoost available in?
Aptus StartBoost is available in 1L, 5L, and 20L sizes.
Can StartBoost be used with other Aptus nutrients?
Yes, StartBoost is designed to be used alongside other Aptus Plant Tech products as a core foundation additive.

Specifications

Aptus StartBoost
Product Name Aptus StartBoost
SKU AP12010
Available Sizes 1L, 5L, 20L
Application Phase Vegetative Phase & Week 1 of Flowering
Primary Ingredient Humic Acid (Leonardite)
Growing Media Soil, Coco, Hydroponics
Shipping Weight (1L) 2.9 lbs

What is included?

It includes:

  • Aptus StartBoost (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 Startboost Humic Acid Vegetative Growth Enhancer - Image 2

Details & Craftsmanship

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

Aptus Startboost Humic Acid Vegetative Growth Enhancer - Image 3

Details & Craftsmanship

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

Description

Aptus StartBoost

Aptus StartBoost is a premium humic acid-based additive derived from natural leonardite, designed to enhance micronutrient uptake and root-zone efficiency. Used throughout the vegetative phase and into the first week of flowering, it supports strong early growth, improved nutrient availability, and healthier plant development in soil, coco, and hydroponic systems.

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

Humic Acid Foundation for Early Growth

StartBoost delivers high-quality humic acid that improves nutrient chelation and uptake, helping plants access essential micronutrients more efficiently during early and high-demand growth stages.

  • Derived from natural leonardite humic acid
  • Improves micronutrient uptake and availability
  • Foundation product in the Aptus Premium Collection
  • Supports root development and vegetative growth
  • Ideal for seedlings, clones, and transplants
  • Compatible with soil, coco, and hydro systems

Build a Strong Foundation from Day One

Aptus StartBoost enhances the root zone by improving nutrient chelation and uptake during early growth. By supporting strong vegetative development and efficient micronutrient absorption, it sets plants up for healthier transitions into flowering and long-term performance.

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 StartBoost used for?
StartBoost is used to improve micronutrient uptake and support strong vegetative growth and early root development.
When should I use StartBoost?
Use StartBoost throughout the entire vegetative phase and during the first week of flowering only.
What is the standard application rate?
Apply at 1 ml per gallon during vegetative growth and week 1 of flowering.
Can StartBoost be used for seedlings and clones?
Yes, it can be used alone at 1 ml per liter as a seedling or rooted clone drench.
Can StartBoost be used as a root dip?
Yes, dilute at 1:100 or 10 ml per liter for use as a root dip when transplanting rooted cuttings.
What sizes is Aptus StartBoost available in?
Aptus StartBoost is available in 1L, 5L, and 20L sizes.
Can StartBoost be used with other Aptus nutrients?
Yes, StartBoost is designed to be used alongside other Aptus Plant Tech products as a core foundation additive.

Specifications

Aptus StartBoost
Product Name Aptus StartBoost
SKU AP12010
Available Sizes 1L, 5L, 20L
Application Phase Vegetative Phase & Week 1 of Flowering
Primary Ingredient Humic Acid (Leonardite)
Growing Media Soil, Coco, Hydroponics
Shipping Weight (1L) 2.9 lbs

What is included?

It includes:

  • Aptus StartBoost (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 Startboost Humic Acid Vegetative Growth Enhancer | Green Thumb Depot