Aptus Peakboost Early-Bloom Phosphorus & Amino Acid Initiator
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Aptus Peakboost
Aptus Peakboost is a precision phosphorus flowering booster designed to maximize bloom development while avoiding nutrient antagonism. Used during weeks 2–6 of flowering, it delivers plant-available phosphorus exactly when demand is highest, supporting healthier flowers, improved nutrient balance, and optimized final harvest quality across all growing systems.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
Precision Phosphorus for Peak Flower Development
Peakboost concentrates phosphorus into a single, controlled product, allowing growers to fine-tune bloom nutrition without the negative interactions caused by excessive potassium found in traditional bulk bloom boosters.
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High plant-available phosphorus for flowering -
Designed around Aptus mineral antagonism philosophy
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Avoids potassium-related nutrient lockout
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Maintains availability of zinc, iron, and copper
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Supports strong flower formation and bulking
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Compatible with soil, coco, and hydro systems
Maximum Bloom Without Nutrient Conflict
Aptus Peakboost gives growers precise control over phosphorus application during the most demanding flowering stages. By eliminating excess potassium and preserving micronutrient availability, it supports healthier plants, improved flower structure, and superior harvest outcomes.
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.
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!!
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
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.
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
FAQ Section
Specifications 
What is included?
It includes:
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Aptus Peakboost (Selected Size: 1L, 5L, or 20L)
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Original Manufacturer-Sealed Container
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Usage and Application Instructions
Warranty Policy
Please check out the manufcaturers website for Warranty related issues.
Weight
Brand
Available Sizes
