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Canna Flush

Available in 250 and 1L.
CANNA FLUSH is a product to clean substrates and plants from any excess nutrients. This is necessary because excess nutrients can have a bad influence your next growth cycle. They could lead to over-fertilisation or malnutrition, for example.

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Canna Flush

Canna is one of the best-known and trusted names in the hydroponic plant-feed business. Canna Flush removes excess nutrients from your plants and growing medium. Great for use before harvest and also in the case of over-fertilization.

  • Canna – Well-known and long-standing brand – trusted by thousands of growers worldwide
  • Removes excess nutrients from plants and grow mediums.
  • Great for use just before harvest
  • Invaluable if you’ve accidentally over-fertilized your plants
  • Does not kill beneficial micro-organisms
  • Gives you a cleaner tasting crop

How Canna Flush 250mls works:
Canna Flush contains ingredients which draw out nutrients out of plant tissue and grow mediums and then holds on to them so that they can then be washed out. Canna Flush works great for saving an accidentally over-fertilized plant and also to clean nutrient out of your plants just before harvest to give your crops a much cleaner taste.

Using Canna Flush 250mls:
In the case of over-fertilization, use Canna Flush as soon as possible. To flush plants prior to harvest, begin the flush one to two weeks before harvest.

For soil and highly absorbent mediums: add Canna Flush to water at a rate of 2ml/ litre and mix well. Water your plants with the solution until some run-off is achieved. Leave for 24 hours and then feed plain water until there is at least 10%-20% run-off. Resume normal watering afterwards achieving some run-off each time.

For hydroponics and drier mediums: for the last feed of the day, add Canna Flush to fresh, plain reservoir water at a rate of 4ml/ litre and run the last watering. For drain-to-waste systems, achieve 10%-20% run-off. Refill the reservoir with fresh water and resume normal watering schedule the next day.

Canna Flush 250mls recommended dosage for soil: 2ml/Litre.

Canna Flush 250mls recommended dosage for hydroponics: 4ml/Litre

Volume (liter)

0,25 (L), 1,00 (L), 5,00 (L)