PK 50-30
  • PK 50-30
PK 50-30

PK 50-30 Green Pai-Pai – High Concentration Flowering Booster

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PK 50-30 by Green Pai-Pai is a highly concentrated mineral fattener designed to explode your harvest. With 50% Phosphorus and 30% Potassium, plus essential trace elements, it ensures rock-hard, heavy buds. Its powdered format makes it incredibly economical: you only need 0.5g per liter. Perfect for growers looking for maximum weight without spending a fortune.
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PK 50-30 by Green Pai-Pai is the definitive solution to transform average flowers into heavy, rock-hard buds thanks to its brutal concentration of phosphorus and potassium designed for the final stage of the crop. This mineral additive acts as a powerful fattener that not only increases the volume of the harvest but also improves the density and final weight of the product, ensuring that every watt of light used translates into tangible grams.

Why your harvest needs a high-impact booster

Are you worried that after months of care, watering, and electricity costs, your flowers will end up airy and light once dried? It is a very common problem: plants look good while growing, but when the moment of truth arrives, they lack the necessary "food" to fill the cell structure of the bud.

There is nothing more frustrating than seeing your harvest shrink by 75% during the drying marijuana process because the flowers were not dense enough. Using weak fertilizers or missing the peak demand for Phosphorus (P) and Potassium (K) results in "popcorn" buds that don't do justice to your effort or your setup. You are losing yield and quality simply by not providing the right fuel at the critical moment.

The solution is to introduce PK 50-30 into your diet chart. By providing a massive load of P and K exactly when the plant is focused on creating flowers, you force it to densify. It is the difference between a spongy bud and one that sounds like a stone when it hits the tray.

Quick spec sheet of PK 50-30

  • Brand: Green Pai-Pai.
  • Type: Mineral flowering booster (fattener).
  • Format: Soluble powder.
  • NPK Composition: 0-50-30.
  • Enriched with: Amino acids and vitamins.
  • Trace elements included: Iron (Fe), Manganese (Mn), Zinc (Zn), Copper (Cu), Boron (B), Molybdenum (Mo), Magnesium (Mg).
  • Dosage: 0.5 grams per liter of water.

Key advantages over liquid boosters

While many boosters on the market come in liquid format with lower concentrations (usually PK 13-14), Green Pai-Pai bets on a highly concentrated solid format. This changes the rules of the game for your pocket and your plants.

  • Higher concentration, lower cost: Being a powder with 50% Phosphorus and 30% Potassium, you need a minimal amount (0.5g/L) to achieve effects superior to liters of other diluted products. One jar lasts for many crops.
  • Complete nutrition profile: It is not just P and K. The inclusion of micro-elements and amino acids ensures that the plant does not suffer deficiencies while metabolizing all that extra energy. It keeps the plant machine oiled.
  • Versatility: It dissolves perfectly, making it suitable for soil, coco, and hydroponic and aeroponic systems without clogging the drippers (if dissolved correctly beforehand).
  • Easy storage: It takes up less space and does not degrade as easily as some liquids.

Real benefits you’re going to notice

When you start using PK 50-30 from the second week of flowering, the changes are visible day by day. The first thing you will notice is the explosive formation of calyxes; the plant stops growing vertically and focuses entirely on production.

As the weeks go by, the main benefit appears: weight. The buds close up and harden significantly. This is not just aesthetic; a denser bud retains terpenes better and offers a much more potent smoking experience. In addition, the extra contribution of vitamins and minerals prevents the leaves from yellowing prematurely, allowing the plant to photosynthesize at full power until the final flush.

Step-by-step usage guide

  1. Preparation: Shake the container well before opening to ensure the mixture is homogeneous.
  2. Timing: Start using it from the 2nd week of flowering (when you already see formed buttons).
  3. Dosage: Add 0.5 grams per liter of irrigation water.
  4. Frequency: Apply it once a week. It is compatible with your base cannabis fertilizers.
  5. Control: Since it is a powerful mineral product, always measure the EC and pH after mixing it to ensure they are within the optimal range.
  6. The End: Stop using it 2 weeks before harvest to wash the roots and ensure a clean flavor.

Frequently Asked Questions

Can I use PK 50-30 with other fertilizer brands?

Yes, absolutely. It is an additive compatible with almost any base fertilizer range. Just make sure not to add another PK booster at the same time to avoid over-fertilization.

Is it suitable for autoflowering plants?

Yes, but autos are more sensitive. We recommend starting with half the dose (0.25g/L) and seeing how the plant reacts before going up to the full dose.

Why does it contain trace elements if it is a PK?

Because forcing flowering consumes a lot of the plant's resources. Trace elements like Iron or Magnesium prevent the plant from collapsing or showing deficiencies while it is producing massive buds.

Does it affect the flavor of the weed?

If you stop using it 15 days before cutting and do a good root wash, the flavor will be pure and clean. In fact, by creating denser flowers, it helps preserve the aroma better.

Personal Experience of Pevgrow’s CEO (Alan)

I'm old school, and I've always liked powder fertilizers for one reason: you pay for nutrients, not water. PK 50-30 is a beast. I use it especially when I grow indica varieties where I look for that "stone" hardness. My advice is to be precise with the scale; 0.5g seems like little, but with this concentration, it is more than enough. If you respect the dosage and the washing times, the increase in the final dry weight is brutal compared to using only a basic fertilizer.

Cultivation phase: Cultivation phase Flowering
Properties: Properties NPK
Type of crop: Type of crop Soil


  • 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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