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TopBooster by Aptus Holland is the definitive 100% organic flowering and maturation stimulator, engineered to push your cannabis plants into overdrive during the crucial bloom phase, resulting in explosive bud development, intensified aromas, and a harvest that looks and tastes truly premium.
Ever feel like your flowering plants are just ticking along, not truly exploding with the density and resin you know they're capable of? You feed them, you watch them, but the final buds just don't have that "wow" factor—the bag appeal is lacking, the flavors are muted, and the yield feels like it's leaving potential on the table. This stagnation is frustrating because you've invested time, care, and resources, only to get a harvest that's good, but not great. The problem isn't your strain or your lights; it's often about missing that precise, bio-stimulating push that tells the plant to redirect all its energy into creating massive, resinous, aromatic flowers.
Before you even think about adding TopBooster, your grow room needs to be primed for success. This isn't just about flipping the lights to 12/12; it's about setting the stage for a stress-free, explosive transition into bloom. Ensure your environmental controls—temperature and humidity—are dialed in perfectly. Your plants should be healthy, well-vegged, and free from any pest or deficiency issues. Have your base nutrients ready, as TopBooster is an additive designed to work alongside a solid NPK fertilizer program. Most importantly, decide on your irrigation method. If you're using a recirculating or drip system, you'll need to plan for shorter reservoir cycles to prevent organic buildup.
Timing is everything. TopBooster isn't a last-minute fix; it's a companion for the entire flowering journey. Start introducing it in the second week of true flowering, once the initial stretch has settled and bud sites are clearly forming.
Watch as TopBooster works its magic week by week. This is where you see the investment pay off.
As you enter the final flush period, you can stop using TopBooster. You'll be left with plants that have given their all. Post-harvest, take notes on your yield and quality compared to previous runs. Clean your irrigation system thoroughly if you used one. The real learning comes from comparing the final product: the density, the snap of the stem, the aroma in the jar, and the smoothness of the smoke. Many growers report that buds grown with TopBooster cure better and retain their terpene profile more effectively.
Yes, but with caution. TopBooster is organic and can promote microbial growth. It's crucial to use it with Aptus System-Clean and never let the mixed solution sit in the reservoir for more than 2-3 days to prevent clogs and imbalances.
While PK boosters primarily provide phosphorus and potassium, TopBooster is a holistic stimulant. It contains those elements but also includes L-amino acids for development, polysaccharides to feed microbiology and aid uptake, and specific vitamins/hormones that trigger the plant's internal flowering and maturation responses. It's about stimulating the plant's own processes, not just feeding it.
Experienced growers sometimes gradually increase the dose from 0.2ml/L up to 0.4ml/L towards the peak flowering weeks for an extra push. However, always start with the base recommendation and observe plant response before increasing. The standard dose is highly effective.
Absolutely. It works excellently in soil, coco coir, and hydroponic systems. Just remember to adjust your base nutrient EC and pH according to your medium's requirements after adding TopBooster.
Use it from week 2 of flowering until the week before you begin your final flush. This ensures the plant utilizes all the stimulating compounds without affecting the final taste during the cleanse.
Let me be straight with you: I was skeptical about "magic" boosters for years. I thought a good base nutrient and perfect environment were enough. Then I ran a side-by-side test with TopBooster. The difference wasn't subtle. On the treated side, the buds were not just bigger, they were *different*. The stems snapped cleaner during trimming, the resin was so sticky it was almost annoying, and the terpene profile of the same strain was noticeably louder and more complex after curing. My mistake early on was trying to use it like a classic PK—dumping it in during late flower only. Now, I start in week 2 and run it through to the finish line. It's like giving the plant a perfect blueprint for building epic flowers. In my RDWC system, I pair it religiously with System-Clean and change the res every 48 hours. The extra bit of maintenance is nothing compared to the upgrade in quality. The pro-tip? Keep a journal. Note the frost level at week 5, the bud density at week 7. You'll see the pattern, and then you'll never grow without it again.
| Cultivation phase: | Flowering Growth |
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| Properties: | Regulators pH | |
| Type of crop: | Hydroponics Soil |
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| Composition: | Biomineral Mineral |
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| 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!