How And When To Flush Cannabis | CleanLeaf

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How and When to Flush Cannabis

When it comes to flushing cannabis - timing is crucial! Flushing cannabis removes leftover nutrient buildup from the roots and soil of your plants giving them a fresh start.

Flushing effectively allows your plants to absorb any nutrients that are still in the soil. By flushing your cannabis plants before harvest you can avoid a harsh and unsatisfying end-product.

However, proper air filtration in the grow room is just as important during the flushing process. As plants metabolize and break down remaining nutrients during flushing, they can produce more intense aromas.

Effective air filtration, such as high-quality carbon filters, becomes even more critical at this stage to contain these stronger odors and prevent them from escaping the grow space.

If cannabis plants are not properly flushed, the minerals and nutrients used during the cultivation process are still present.

Flushing removes all nutrients and improves the overall quality of your bud. But without adequate air filtration, those leftover odors from the flushing process can permeate the grow area.

Flushing cannabis too early and too often will restrict nutrients and restrain the plants from growing and flowering. Flushing too early can also result in yellowing or discolored leaves.

Finding the best time to start flushing will vary based on how close your plants are to harvest and the knowledge and methods used by the grower.

Generally, flushing cannabis normally takes place two weeks before it is harvested. If the plant has an 8-week flowering period, flushing should start 6-weeks after the beginning of the flowering stage when trichomes begin to form a cloudy white color.

Learn More About Flushing Cannabis and Air Filtration

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