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You want a harvest that breaks the scale, and Heavy Boost by Cannotecnia is the fuel your plants are screaming for. This high-concentration PK booster is the ultimate tool to transform airy flowers into rock-hard, resin-dripping buds, ensuring you get the maximum weight possible from every single crop.
Are you tired of seeing your buds lose half their size when they dry?
There is nothing more frustrating for a grower than watching a garden full of flowers that look promising, only to end up with airy, fluffy buds that weigh nothing once cured. You put in months of work, electricity, and passion, and ending up with a mediocre yield feels like a waste of time and resources. That lack of density is often due to a lack of specific nutrients at the critical moment.
The solution is to hit them with the right nutrition exactly when they need it. Heavy Boost provides a massive load of Phosphorus (26%) and Potassium (39%), the two macronutrients responsible for cell multiplication in the flower and the hardening of tissues. By adding this to your routine, you force the plant to fill every gap in the bud, turning potential into heavy, tangible reality.
Most basic nutrient schedules cover the essentials, but if you really want to push the genetics to their limit, you need a dedicated booster for the second half of flowering. Heavy Boost is designed to be introduced from the third week of flowering, right when the plant stops stretching and starts focusing entirely on bud production.
Whether you are growing in marijuana growing soil or inert media, this powder dissolves instantly. It acts as a signal to the plant to stop vegetative growth completely and channel all its energy into swelling the calyxes. You will notice that the flowers don't just get longer; they get thicker, closing up the internodes and creating those long, solid colas that we all love to see.
It's not just about weight; it's about quality. Heavy Boost isn't just empty calories for your plants; it includes micronutrients like Iron and Magnesium that support the plant's metabolism during this high-stress production phase. A healthy, well-fed plant produces significantly more trichomes to protect its precious flowers.
If you are a fan of making your own concentrates or just love sticky weed, this product is a game-changer. The extra Potassium helps regulate water and sugar transport, which directly translates to a higher terpene profile and a frostier appearance. You aren't just growing more weed; you are growing better weed.
Some boosters are complicated liquids that mess with your pH or expire quickly. Heavy Boost keeps it simple. Being a powder, it is highly concentrated, meaning you aren't paying for water, and it has a long shelf life. It is perfect for the practical grower who wants professional results without a degree in chemistry.
You should start adding it to your nutrient mix starting from the third week of flowering, once the first real button flowers have formed. Continue using it twice a week until the flushing period (usually 10-15 days before harvest).
Yes, Heavy Boost is an additive. You should use it alongside your base flowering fertilizer. Just make sure to monitor your EC (electro-conductivity) levels, as this is a potent product and will raise the EC of your solution.
Absolutely. Autoflowers have a shorter cycle, so hitting them with a fast-acting PK booster like this helps maximize their limited time, ensuring you get a decent yield even from smaller plants.
If used correctly and flushed properly at the end of the cycle, it actually enhances the flavor by helping the plant produce more terpenes and sugars. Always remember to stop using fertilizers in the final weeks to ensure a clean ash and smooth smoke.
I've tested dozens of PK boosters over the years, and honestly, many are just watered-down versions of the same thing. What I like about Heavy Boost by Cannotecnia is the "punch" it packs. I use it specifically when I'm growing heavy Indicas where I want that rock-hard density.
My favorite way to use it is to start with the lower dose (3g/10L) in week 3 and ramp it up to the full 5g/10L around week 5 and 6, which is usually the peak fattening time. The difference in the final dry weight is noticeable compared to using just a base nutrient. If you want your jars to feel heavy when you pick them up, this is a solid addition to your arsenal.
| Cultivation phase: | Flowering | |
| Type of crop: | Coco Hydroponics |
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 am really impressed with the Heavy Boost from Cannotecnia; after just a couple of uses, I have noticed a significant improvement in the performance and energy of my plants, totally recommended!