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Final Flush

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Final Flush by Grotek is a cleaning solution used to get rid of excess salts from your plants’ substrate in any growing medium, leaving you with perfectly clean plants.

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Final Flush by Grotek is a special kind of liquid used to get rid of excess salts in your substrate or watering system, as well as increasing the flavor in your weed. It gets rid of any unwanted effects that may occur due to excess nutrients in buds when you smoke, such as a dry mouth, metallic flavor etc.

It contains citric and ascorbic acid which dissolve any excess salts that have accumulated in your coco or soil substrate, as well as your plants roots and pipe ways - can be used in hydroponic systems.

Once your plants have stopped growing their flowers and are beginning to fully mature, around two weeks before harvesting, you’ll need to flush out their roots. This essentially forces your plants to use up the nutrients they have stored, cleaning out their roots, flowers and leaves. This is why the leaves begin to go yellow; they’re being emptied of nutrients. This process increases flavor and aroma substantially.

You can choose a neutral flavor, a flavor-enhancer for specific strains with flavors such as pineapple, grape, blueberry and apple.

Dosage and how to use:

  • Add 2ml per liter of water and water your pants thoroughly.
  • You can do this at any time if you think your plants may be accumulating extra salt.


  • 0.6% citric acid
  • 0.6% ascorbic acid

WARNING! Grotek has drastically renewed its line of nutrients and has also formulated new compositions for the entire range of products, even changing the name of some of them. FINAL FLUSH (0-0-0 NPK) keeps its name and its efficiency.


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Final Flush Reviews

Hola Marcos, así es. Recomendamos este producto para asegurar el éxito en la limpieza de raíces previa al corte, eliminar los nutrientes restantes y que no perjudique el sabor de las flores.

Realiza con mayor eficacia la función del lavado de raíces. Lo recomiendo para quien desee resultados óptimos previos al corte o para limpiar si hubiera sobre fertilización.

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Final Flush

Final Flush