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P-Boost by Aptus is the definitive phosphorus flowering stimulator engineered to push your cannabis plants into overdrive during their most critical phase. This isn't just another bloom booster; it's a precision tool that directly fuels the creation of bigger, denser, and more potent flowers by supercharging your plant's internal processes.
Ever feel like your plants are holding back during flowering? You feed them, you care for them, but the buds just don't seem to reach that jaw-dropping, Instagram-worthy density you know they're capable of. That lingering doubt—"could I be getting more?"—steals the joy from your grow. It's frustrating to invest time and energy only to end up with airy, underwhelming flowers that don't do your genetics justice.
This underperformance isn't just about yield; it's about wasted potential. Every gram less is a missed opportunity, and fluffy buds mean less flavor, less potency, and less of the satisfying, heavy harvest you dream of. That feeling of coming up short, especially after weeks of meticulous care, is a special kind of grower's heartbreak. You're left wondering what magic ingredient was missing.
The magic ingredient is often phosphorus, delivered in a highly bioavailable form. That's exactly what P-Boost provides. It's the solution that bridges the gap between your plant's genetic potential and the explosive bloom you deserve. By supplying organic phosphorus and L-amino acids, it tells your plant, "It's go time," triggering a cascade of growth and resin production that results in a harvest that truly impresses.
Preparation is key. Before you introduce P-Boost, ensure your plants have successfully transitioned from the vegetative stage. You'll need a clean, calibrated pH & EC meter to monitor your nutrient solution. Have your base flowering nutrients ready from a trusted brand like Canna or Advanced Nutrients. It's also wise to have a good extraction system running, as the metabolic boost can increase transpiration.
Once you add P-Boost (3-5 ml per 10 liters of water) from week 1 of flowering through week 6, you'll be actively fueling the bloom engine. Watch as the flower sites begin to swell and stack more rapidly than before. The stems will strengthen to support the increasing weight, and a noticeable surge in resin gland production will make your buds glisten. This is the period where you'll see the direct results of enhanced phosphorus uptake: accelerated flower development and bulking.
Monitor your plants closely. The boost in metabolism means they may drink more water. Keep an eye on the pH of your solution, as P-Boost has natural acidifying properties that can help stabilize it. This is the hands-on phase where you guide your plants to their peak performance.
After the sixth week of flower, you stop using P-Boost. What you're left with is a garden full of plants that have been optimally supported through the crucial bulking phase. The buds will be noticeably denser, heavier, and coated in resin. The difference is often visible in side-by-side comparisons. Once harvest arrives, you'll appreciate the increased weight and quality during trimming and curing. Post-harvest, simply rinse your measuring tools and store the P-Boost bottle in a cool, dry place for the next cycle.
Begin application at the first sign of flowering (when pistils appear) and continue through the end of week 6. Do not use it during the final ripening/flushing period.
Absolutely. P-Boost is designed to be a complementary additive. It works seamlessly with any high-quality base flowering nutrient. Just add it to your mixed solution.
P-Boost contains organic acids which have a natural acidifying effect. This can help lower a high pH in your reservoir, acting as a mild pH down agent and adding nutritional value simultaneously.
Yes, P-Boost is suitable for soil, coco coir, hydroponics, and other soilless mixes like rockwool. Its water-soluble, non-clogging formula makes it versatile.
While many PK boosters are purely mineral, P-Boost is an organo-mineral blend. The inclusion of L-amino acids chelates the nutrients, making them more easily absorbed by the plant, and the organic components support overall plant health and stress resistance.
Let me be straight with you: I've tried a lot of bloom boosters over the years. Many promise the moon but deliver a pebble. P-Boost is different. I integrate it into my regimen from day one of flower, and the difference in week 3 is already stark. The buds set harder and start stacking faster. I run it in my RDWC systems, and I love that it doesn't gunk up my pipes—a clean run is a happy run. Compared to just running base nutrients, the added density and resin are undeniable. My pro tip? Don't be afraid to lean into the higher end of the dosage (5ml/10L) during peak weeks if your plants are heavy feeders and showing no signs of stress. It's that extra push that turns a great grow into a trophy-worthy one. The only con? You'll need stronger supports for those branches!
| Cultivation phase: | Flowering Growth |
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| Type of crop: | Soil | |
| Composition: | Organic | |
| Brands: | Aptus-Holland |
Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.
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)
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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.
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.
In 24/48 hours we will ship your order.
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.
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!
Among all those who comment or send us your questions, there will be a monthly raffle for a €50 voucher for your purchases at Pevgrow. What are you waiting for? Write us and participate!
I recommend this high-quality product, the effect is immediate and the results are very good. Very concentrated so there is no need to use a lot. I highly recommend it.