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BAC F1 Extreme Booster – High-PK Flowering Booster for Explosive Bud Growth & Intense Flavor

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The BAC F1 Extreme Booster is your secret weapon for the final push. This highly concentrated PK booster, formulated with 13% phosphorus and 14% potassium, is designed to trigger a massive explosion in flower size and density during the last weeks of bloom. It supercharges resin production, intensifies flavors and aromas, and leads to substantially heavier, more potent yields. Compatible with all growing mediums and nutrient lines.
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23.72€ taxes included
PVP
27.90€
DTO
-15%
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4.19€
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The BAC F1 Extreme Booster is the definitive late-flowering kick your plants crave, a concentrated PK formula engineered to transform promising buds into trophy-worthy, resin-drenched colas. This isn't just another additive; it's the final piece of the puzzle for growers who refuse to settle for average yields and want to unlock the full genetic and aromatic potential of their crop.

Ever feel like your plants are holding back in those crucial final weeks? You've nurtured them through veg, watched them stretch and flower, but when it comes to the final swell and resin production, the results just don't match the effort you've put in. It's frustrating to see buds that could be denser, aromas that could be more complex, and a final yield that leaves you wondering, "Is this all I get?" This underperformance isn't just disappointing; it's a direct hit to your return on investment, wasting time, electricity, and nutrients on a harvest that doesn't reach its maximum potential.

That's where the F1 Extreme Booster comes in as your strategic solution. Think of it as the ultimate finishing touch, a high-octane fuel that tells your plants, "It's go time." By delivering a powerful shot of bioavailable phosphorus and potassium exactly when the plant needs it most, you're not just feeding it; you're commanding it to redirect all its energy into bulking up flowers, producing insane amounts of trichomes, and developing those complex terpene profiles that make your harvest legendary.

What This Booster Brings to Your Final Harvest

Using the F1 Extreme Booster isn't about making small adjustments; it's about orchestrating a dramatic finale. From the moment you introduce it in the sixth week of flowering, you're initiating a natural chemical shift within the plant. This targeted nutrient surge acts like a turbocharger, specifically designed for the flowering phase's unique demands. The result? You'll witness a vigorous explosion of flower growth that visibly plumps up buds day by day. More importantly, you'll experience a profound intensification of flavor and aroma, as the sugar molasses and trace elements work to enhance the very essence of your strain. Ultimately, this translates to a substantially larger, heavier yield that feels rewarding in your hands and impressive on the scale.

Format, Application, and Maximizing Efficiency

The F1 Extreme Booster comes in a practical liquid concentrate, available in sizes from 1L to 20L to suit every grow space. To get the most out of every bottle and avoid waste, follow these guidelines:

  • Timing is Everything: Start application from the 6th week of flowering onwards. This is the critical window where the plant's energy demands shift massively towards bud production.
  • Simple Dosage: Use 20-30 ml per 10 liters of water with every watering during the late flowering phase.
  • EC Management: Always adjust your final nutrient solution's EC to around 2.2 (depending on your growth stage and strain). Using an EC meter is non-negotiable for precision.
  • Universal Compatibility: It works seamlessly in soil, coco, hydroponics, and all other mediums. You can confidently mix it with any other base nutrients or additives from brands like GHE or your preferred fertilizer line.
  • Storage for Longevity: Store the bottle upright in a cool, dark place at temperatures above 8°C. Always shake well before use to ensure the concentrated elements are fully mixed.

Advantages and Benefits in Terms of Quality-Price Ratio

When you weigh the cost of the F1 Extreme Booster against the value it adds to your harvest, it becomes one of the smartest investments in your grow room. Here’s why:

  • High-PK Concentration (0-13-14): The strong 13% Phosphorus acts as the 'energy' nutrient, fueling photosynthesis and cell formation in the developing flowers, directly leading to increased bud size and weight.
  • Potassium as a Regulator: The 14% Potassium supports crucial processes like enzyme activation, sugar production, and nutrient transport, making plants more efficient and resilient in their final push.
  • Enhanced Sugar & Terpene Production: The included sugar molasses feed beneficial microbes and provide a direct carbohydrate source, which the plant converts into richer flavors and more intense aromas.
  • Premium Trace Elements: The highest quality micronutrients ensure no deficiencies hinder the explosive growth phase, supporting overall plant health and resin production.
  • One-Bottle Simplicity: No complicated multi-part systems. This single, powerful additive integrates easily into your existing feeding schedule, saving you time and simplifying your late-flower regimen.
  • Increased Yield Potency & Weight: The combined effect is not just more buds, but better buds—denser, more resinous, and more aromatic, directly increasing the quality and commercial value of your harvest.
  • Universal Medium Application: Its versatility means you can use the same product across different grows or mediums, making it a cost-effective staple in your nutrient arsenal.

Tricks to Get the Most Out of It Without Overspending

To maximize the value of your F1 Extreme Booster, start with the lower recommended dose (20ml/10L) and observe your plants' response over 2-3 days. Some heavy-feeding strains can handle the full 30ml. Always mix it into your nutrient solution thoroughly and apply it at the roots; foliar application is not recommended for this product. Pairing it with a quality bloom stimulator can create a synergistic effect for even more impressive results. Remember, the goal is to provide a powerful push, not to overfeed. Sticking to the schedule from week 6 until flush ensures you get the full benefit without any risk of nutrient lockout.

Frequently Asked Questions

When exactly should I start using the F1 Extreme Booster?

Begin application at the start of the 6th week of the flowering phase. This is typically when the plant stops stretching and focuses all its energy on bud development, making it the perfect time for a PK boost.

Can I use it with organic nutrients?

Absolutely. The F1 Extreme Booster is mineral-based but is fully compatible with organic growing systems and nutrient lines. It will integrate seamlessly into your regimen.

How long does a 1L bottle last?

This depends on your plant count and feeding frequency. At a dosage of 20-30ml per 10L, a 1L bottle can easily cover the late-flowering phase (3-4 weeks) for several plants in a medium-sized tent. For larger operations, the 5L or 10L containers offer much better value.

Will it affect the taste of my final product?

On the contrary, it's designed to enhance it. The sugar molasses and the overall health boost contribute to a richer terpene profile and more complex flavors, leading to a smoother, more aromatic smoke or vapor.

Do I need to adjust my pH when using it?

Yes, always. While the booster itself is formulated for stability, you must always pH your final nutrient solution after adding all components. Aim for the optimal range for your growing medium (typically 5.8 for hydro/coco, 6.2-6.5 for soil).

Personal Experience of Pevgrow’s CEO (Alan)

Let me be straight with you: in the sea of bloom boosters, the BAC F1 Extreme is the one I keep coming back to for my personal grows. Why? Consistency and raw results. I've tested countless PK formulas that promise the moon, but many just add unnecessary complexity or, worse, can lock out other nutrients. The F1's strength is its brutal simplicity and effectiveness. When I hit week 6, I add it to my base feed, and within days, I see the buds start to stack and harden up in a way that's visibly different. The resin production goes into overdrive, and the terpenes get that extra 'pop' that separates good weed from great weed. For the price point, especially if you grab the 5L container, the value is unbeatable. My pro tip? Don't start it too early. Wait for that true flowering switch, and then let it work its magic. It's the final sprint booster that ensures you cross the finish line with your arms in the air, not out of breath.

Cultivation phase: Cultivation phase Flowering
Properties: Properties NPK
Type of crop: Type of crop Aeroponics
Hydroponics
Brands: Brands BAC


  • Is the shipping discreet?

    Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.

  • Do you ship worldwide?

    Yes, we ship to almost every country in the world although you need to know the current legislation in your country to make sure that you do not break any regulations with the germination of the seeds.

    UK: 3-4 days (express)
    USA: 4-5 days (express)
    Australia: 4-5 days (express)
    Japan: 4-5 days (express)
    Canada: 4-5 days (express)
    South Africa: 4-5 days (express)
    New Zealand: 5-7 days (express)
    View all

    The customer must be informed about the laws of their country regarding seeds or other products that may be purchased on our website, the possession of which may constitute a criminal offence in the country of receipt.

    We cannot be made responsible for the wrong use that some people decide to give to the seeds, so please don't act against your national laws.

    Due to problems with customs you can check here for restrictions to certain countries.

  • What payment methods and currencies do you accept?

    We accept the following payment methods: Bank transfer, Cryptocurrencies, cash, credit and debit cards and cash on delivery (Spain, Belgium, France, Italy, Portugal).

    You can change the currency on the top right to know the price of the products in your local currency and of course pay this way.

  • How long does it take to ship my order?

    In 24/48 hours we will ship your order.

  • Are the seeds guaranteed to germinate?

    If you live in a country where the cultivation of cannabis is legal and you decide to plant the seeds, it is good that you know that all the seeds that we commercialize have germination guarantee.

    If you germinate with the method of paper napkins and you have followed all the steps that we indicate here, you will only have to return us the seeds not germinated in their original packaging and when we receive them we will proceed to the change.

    Then we take care of requesting the return to the seed bank, we do not transfer this responsibility and time to our customers.

  • What if I receive a bad or damaged product?

    If you receive a broken product due to transport, you have to notify us within 24 hours for insurance coverage, always contact us as soon as possible and we will fix the problem!

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