Canna Flush is used just before harvest to get rid of all excess nutrients that will provide a clean and tasty harvest. It effectively cleans the substrate without killing any useful bacteria or beneficial fungi. This is necessary because excess nutrients may have a bad influence on the next growth cycle. They can lead to eutrophication or malnutrition for example.
* Can be used on all substrates
* Clean the substrate from excess nutrients and elements
* Keeps the useful bacteria and beneficial fungi
* Use just before harvest
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