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Final Flush Grotek – Salt Clearing Solution for Pure Flavor

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Get the purest taste from your buds with Final Flush Grotek. This flushing solution eliminates excess nutrient salts in the substrate and roots, preventing throat irritation and metallic flavors. Ideal for the final weeks of flowering or correcting over-fertilization. Available in Neutral, Strawberry, Blueberry, Pineapple, and Apple.
 

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13.14€ taxes included
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15.46€
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-15%
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2.32€
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Final Flush Grotek is the advanced salt clearing solution designed to ensure your harvest tastes exactly as it should: pure, clean, and free of chemical residues. If you want to maximize the organoleptic properties of your buds and ensure a smooth experience without the harshness of accumulated nutrients, this additive is the essential finishing touch your crop needs.

Why does your weed scratch your throat? (The problem with salts)

Have you ever spent months pampering your grow, only to find that the final result has a metallic taste, sparks when lit, or makes you cough uncontrollably? It is a frustrating feeling to see beautiful flowers that are unpleasant to consume.

This happens because of the accumulation of salts and excess Cannabis fertilizers in the substrate and the plant's tissues. If you don't clean the root zone properly, you are smoking those chemical residues. That itch in your throat, the black ash, and the altered flavor are clear signs that your plant was "full" of food at the time of cutting.

The solution is a professional flush. Final Flush acts as a magnet for those salts, dissolving them and washing them away from the root zone. By depriving the plant of external nutrients, you force it to metabolize its own reserves during the last days. The result? A soft smoke, white ash, and the authentic terpene profile of your genetics.

Features, Advantages, and Benefits (FAB)

  • Acid-based formula (Citric and Ascorbic): These weak acids dissolve the chemical bonds of precipitated salts in the substrate. Advantage: It cleans much more effectively than water alone. Benefit: You get a completely clean medium, allowing the plant to ripen naturally without chemical interference.
  • Versatility in use: It works for the final wash and to correct mistakes. Advantage: If you mess up and over-fertilize in the middle of the cycle, you can use it to reset the substrate. Benefit: You save your crop from nutrient burn and keep your plants healthy until the end.
  • Flavor options (Strawberry, Blueberry, Pineapple, etc.): Besides the neutral version, Grotek offers fruit variations. Advantage: It leaves a very subtle aroma in the final product. Benefit: You can customize the finish of your harvest, enhancing fruity nuances in compatible strains.
  • Concentrated efficiency: A small dose is enough to mobilize waste. Advantage: The bottle lasts for several crops. Benefit: You save money while ensuring professional quality in every session.

How to use Final Flush for professional results

Using this product is simple, but timing is key. Here is how to integrate it into your routine, especially before Harvesting and Drying Marijuana:

  • For the final wash (Pre-harvest): Use 2 ml per liter of water. Apply it during the last 7 to 10 days of flowering. Stop using all other nutrients and water abundantly with this mixture to drag all the salts out of the pot.
  • To correct over-fertilization: If you see clawed leaves or burnt tips in the middle of the cycle, perform a flush with 2 ml/L. Check the pH and EC of the runoff water to ensure the salts are leaving.
  • In Hydroponics: Add it to the tank in the final week and circulate the water for about an hour before changing to fresh water (or leave it if you are near the cut).

Personal Experience of Pevgrow’s CEO (Alan)

I'll be honest: there is nothing I hate more than weed that scratches the throat. It ruins the experience, no matter how much THC it has. I've used Final Flush for years, not just for the final wash, but as a "safety button." When I've pushed the plants too hard with boosters like Heavy Bud Pro Grotek and see the tips getting too burnt, a watering with Final Flush resets the substrate and saves the day.

My favorite is the Neutral version because I'm a purist with flavors, but I've tried the Blueberry one on "Blue" strains and it does enhance that berry aroma quite a bit. If you want that white ash that falls off like snow, don't skip this step.

Frequently Asked Questions

Does Final Flush affect the potency of the buds?

No, absolutely not. It only removes excess nutrients (salts). The cannabinoids (THC, CBD) are already formed in the trichomes and are not washed away. In fact, by removing the metallic taste of the salts, the effect feels cleaner and the flavor is much more potent.

Can I use it with fertilizers from other brands?

Yes, Final Flush is compatible with any feeding program, whether mineral or organic. It is a cleaning agent, so it doesn't matter what brand of nutrients you used before; its job is to remove them.

Do the flavored versions change the taste of the weed a lot?

It's not like adding syrup. It is a very subtle contribution. The esters in the product can leave a slight aroma that complements the plant's natural terpenes. If you are growing a Skunk or a Cheese, I recommend the Regular (Neutral) one. If you grow fruity strains, the flavored ones can help emphasize those nuances.

Cultivation phase: Cultivation phase Flowering
Properties: Properties Root washing
Type of crop: Type of crop Soil
Brands: Brands Grotek


  • 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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