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Agrobeta Flowering Black Line is a premium, 100% organic flowering fertilizer engineered to transform your plant's bloom phase into a spectacle of resinous, aromatic, and dense buds. It's the clean, powerful boost your garden has been waiting for.
Ever feel like you're feeding your flowering plants a generic diet, only to end up with buds that look good but lack that punch of flavor and potency you were promised? You're not alone. The market is flooded with confusing promises and chemical-heavy solutions that can leave your harvest tasting harsh and feeling underwhelming. This frustration often leads growers to overcomplicate their feeding schedules or give up on achieving that legendary, top-shelf quality. But what if the secret wasn't more bottles, but the right one?
This product is a targeted fuel for the flowering stage. It provides a perfectly balanced cocktail of organic phosphorus and potassium—the two key nutrients demanded during bloom—alongside essential micro-elements like iron and magnesium. These aren't just random ingredients; they work synergistically to support robust flower formation, improve nutrient uptake, and act as building blocks for essential oils (terpenes).
It doesn't contain magic fairy dust that will double your yield overnight. Instead, it reliably maximizes your plant's genetic potential. It won't correct major pH issues or save a plant from severe neglect, but when used as part of a solid base nutrient regimen, it ensures your plants lack nothing during their most critical phase.
Choosing a bloom booster comes down to your goals. If you're after a simple, one-bottle organic solution that prioritizes final taste and smoothness over sheer, chemically-driven bulk, Flowering Black Line is your match. It's for the grower who values a clean smoke and a natural process.
No, this product is specifically formulated for soil and coco-coir substrates. For hydroponic systems, you should look at a dedicated mineral or hydroponic nutrient line.
Begin application at the first sign of flowering (when pistils appear) and continue through until about 1-2 weeks before harvest. Always follow the specific dosage instructions on the label for each week of bloom.
Think of your base nutrient as the main meal—it provides the broad spectrum of nutrition. Flowering Black Line is like a powerful superfood smoothie on top of that meal—it's a targeted supplement packed with extra phosphorus, potassium, and biostimulants specifically tuned to maximize the flowering process.
Absolutely. It's designed to work perfectly with other products in the Agrobeta Black Line, such as their growth stimulators or bud fattening boosters, for a complete organic program.
I've heard all the myths about organic bloom boosters being "gentle" or "slow." Let me tell you, Flowering Black Line changed my perspective. I used it on a run of a famously finicky, terpene-rich strain last season. By week 5 of flower, the difference was unmistakable—not just in bud size, but in the stickiness of the leaves and the sheer intensity of the citrus smell that filled the tent. Compared to some harsh chemical PK boosters I've tried in the past, the final smoke was noticeably smoother and the flavor profile was much more pronounced and complex, exactly as the plant's genetics intended. My tip? Don't just add it to water and pour. Take the extra 30 seconds to shake the bottle vigorously first. Those natural ingredients need to be fully emulsified to work their best. It made a visible difference in consistency for me. It won't perform miracles on unhealthy plants, but on a healthy garden, it's the polish that turns very good buds into exceptional ones.
| Cultivation phase: | Flowering Growth |
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| Properties: | Regulators pH | |
| Type of crop: | Soil | |
| Preventive: | Show only preventative | |
| Brands: | Agrobeta |
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!