Canna Potassium 20% Mononutrient Additive (K), 1 Litre – Premium Bloom Booster for Bigger, Denser Buds

Canna Potassium 20% Mononutrient Additive (K) is the definitive bloom-phase enhancer, a concentrated potassium formula engineered to push your flowering plants to their absolute limit, resulting in heavier, stickier, and more potent harvests.

Ever feel like your plants are holding back during those crucial final weeks? You've dialed in the light, nailed the climate, but the buds just aren't swelling and frosting up the way you know they could. That lingering feeling of "what if"—what if they could be denser, what if the terpenes were louder, what if the yield was just 10% more—that's the frustration of untapped potential. It's watching your hard work plateau when it should be peaking. But what if you could flip a switch and supercharge that final push?

That's exactly what Canna Potassium 20% does. It's not just another bottle; it's a targeted tool designed to solve the specific nutritional demands of the flowering stage. By delivering a highly concentrated, immediately available source of potassium, it acts as the catalyst that transforms potential into palpable, jar-filling results.

If you're just starting out: how this product simplifies your first big harvest

Starting your first grow is thrilling, but the flowering stage can be intimidating. You're watching for deficiencies, worrying about nute burn, and just hoping for a decent yield. Canna Potassium takes the guesswork out of one of the most critical elements. It's a straightforward, single-ingredient solution that addresses a common bottleneck for new growers: ensuring your plants get enough "K" during bloom to actually fatten up those buds. Instead of trying to balance complex multi-nutrient formulas, you add a precise, measured boost exactly when your plants need it most. It's like giving your plants a direct, high-octane fuel shot for the final stretch, making that first successful harvest not just a hope, but a certainty.

• Precision Feeding: You add exactly what's needed—potassium—without altering the balance of your base nutrients, drastically reducing the risk of lockout or burn.
• Fast Results: Being a liquid mononutrient, it's instantly available to your plants. You'll see a visible improvement in bud development and overall plant vigor within days.
• Builds Confidence: Successfully using a targeted additive like this teaches you about plant nutrition in a practical, results-driven way, building your skills for future grows.

If you're a seasoned grower: why it deserves a permanent spot in your regimen

You know the drill: you've run countless cycles, tweaked every variable, and you're chasing that extra edge—the one that turns a great grow into a legendary one. You understand that potassium isn't just a nutrient; it's the conductor of the flowering symphony, regulating water uptake, enzyme activation, and sugar transport. Canna Potassium 20% is your tool for fine-tuning that symphony. Its purity and concentration allow you to make surgical adjustments to your feed, pushing PK ratios to optimize resin production, terpene expression, and final bud density in ways that generic bloom boosters can't match. It's for the grower who views feeding not as following a chart, but as conducting a plant's performance.

• Unmatched Control: The 20% concentration allows for powerful, precise adjustments to your nutrient solution, letting you tailor the feed to specific strain needs or environmental conditions.
• Purity for Performance: Being chloride-free prevents any risk of salt build-up or toxicity, ensuring your root zone stays healthy and efficient right through to harvest.
• Strain-Specific Optimization: Use it to give heavy feeders the extra kick they crave or to gently support more sensitive cultivars, dialing in the perfect finish for every plant in your garden.

Key advantages and benefits for any grower

• Massively Boosts Flowering: Potassium is crucial for flower formation. This additive directly increases bud size, density, and overall yield.
• Enhances Potency & Flavor: By improving the production and transport of sugars and carbohydrates, it directly contributes to higher resin (trichome) production and richer terpene profiles, meaning more potent and flavorful buds.
• Strengthens Plant Structure: Potassium fortifies cell walls, leading to sturdier stems and branches that can support the weight of those heavy colas without snapping.
• Increases Stress Resistance: A plant with optimal potassium levels is better equipped to handle temperature fluctuations, mild drought stress, and fend off pathogens, leading to a healthier finish.
• Chloride-Free Formula: Eliminates the risk of chloride toxicity and salt build-up, protecting your root zone and ensuring optimal nutrient uptake.
• Immediate Availability: The liquid formulation is quickly absorbed by your plants, allowing you to correct deficiencies fast or provide a rapid boost during peak flowering.
• Easy to Integrate: Simply add 1-2 ml per liter to your nutrient solution during the flowering phase. It mixes seamlessly with most nutrient lines.

Typical mistakes this additive helps you avoid

Many growers, both new and experienced, hit common roadblocks during bloom that limit their final results. Canna Potassium 20% helps you sidestep these pitfalls.

• Underfeeding Potassium: Base nutrients often don't provide enough "K" for heavy-feeding flowering plants, leading to small, airy buds. This additive fills that gap.
• Using Imprecise Bloom Boosters: Many generic boosters contain a mix of elements you may not need, potentially causing lockout. A pure mononutrient like this gives you targeted control.
• Ignoring Mid-Flowering Hunger: Plants' potassium demands often spike in weeks 3-6 of flower. Without a supplemental source, growth can stall. This product provides that critical mid-flower push.
• Overcomplicating Feeds: Trying to mix multiple supplements can destabilize your solution. Adding a single, well-understood element like potassium is a simpler, more effective strategy.

Frequently Asked Questions

When should I start using Canna Potassium 20%?

Begin application at the onset of the flowering stage, when you see the first signs of bud formation. Continue through the peak flowering weeks, typically reducing or stopping in the final 1-2 weeks before harvest for a proper flush.

Can I use it with any brand of nutrients?

Yes, it is generally compatible with all major nutrient brands. However, always check your base nutrient's potassium content first to avoid overdoing it. Start with a lower dose (1ml/L) when combining with other potassium-rich products.

What's the difference between this and a PK 13/14 booster?

PK boosters provide both Phosphorus (P) and Potassium (K) in a set ratio. Canna Potassium 20% is a pure potassium (K) source. This gives you more flexibility. If your base nutrients already have sufficient phosphorus but lack potassium, this product is the perfect, targeted solution without adding unnecessary P.

How do I know if my plants have a potassium deficiency?

Look for yellowing or browning starting at the tips and edges of older leaves, which then progresses inward. Leaves may also appear scorched or curled. Growth slows, and flowering is weak. Canna Potassium 20% can quickly correct such a deficiency.

Is it safe for organic grows?

While Canna Potassium is a mineral salt-based nutrient and not certified organic, it is widely used by many growers in both mineral and organic-based systems to correct deficiencies or provide a boost. For strictly organic purists, seeking a plant-derived potassium source like langbeinite or kelp may be preferable.

Personal Experience of Pevgrow's CEO (Alan)

Let me be straight with you: I used to think bloom boosters were mostly marketing hype. I'd rely on my base A&B and maybe a little molasses, and my results were... fine. Good, even. But I always had that niggling thought that the buds could be denser, the frost a bit thicker. Then I started experimenting with targeted mononutrients, and Canna Potassium 20% was a game-changer. The difference wasn't subtle.

I now use it religiously from week 2 of flower onwards. For my heavy-feeding highest yielding strains, I'll push it to 2ml per liter during peak weeks. What I see is a plant that just doesn't quit bulking up. The stems get tougher, the buds pack on weight like they're on a mission, and the resin production goes into overdrive. It's like the plant finally has all the fuel it needs to express its full genetic potential.

My pro tip? Pair it with a good bloom base fertilizer and keep a close eye on your pH. Potassium uptake is best around 6.0-6.2 in soil/coco. This isn't a magic potion you dump in and forget; it's a precision tool. Used correctly, it's the difference between a "nice harvest" and the one where you're struggling to find enough jars. For beginners, it simplifies the scary part of flowering. For experts, it's the dial you turn to get that last 10-15% of performance. It's earned a permanent spot on my shelf.