One common reason behind crop failure is inefficient flushing, i.e., nutrient salt deposits building up in the soil or the growing medium. You need to ensure your plants get a clean and effective flush if you want to harvest a high-quality crop. If you do not flush your plants before harvest the final product's taste will be all messed up. It would taste much more bitter due to the excess nutrients stored by the plant. An effective flush can also lead to an increase in bloom size, given plants will not be using any energy to absorb nutrients.
While you can use water to flush, our experts recommend using a flushing agent to maximize your yield.
What are flushing agents?
Flushing agents are the perfect product to ensure that your plants neither waste nor overdose on nutrients. They are created using chelates, which allow the plant to retain and use any nutrients that it hasn't absorbed. These nutrients can be used up until the harvest stage, preventing any deficiencies during the flowering stage.
When to start flushing?
- 1-2 weeks before harvest if you are growing in garden soil and potting mixes
- 1-2 days before harvest if you are growing hydroponically
- 1 week before harvest if you are growing in coco husk and soilless mixes
Other times you should flush your plants
You should consider flushing your plants as they transition into a different growth phase. Why? The nutritional needs of a plant differ during each stage of its lifecycle. As your plant starts a new chapter of its life, you should make sure it gets the nutrients that it needs, not the ones it needed.
Your plant can also face a nutrient lockout if it is overfed, the pH levels become improper, or they are stressed out for any reason. In this case, flushing the plant is always a wise idea as you can get rid of excess salt and nutrients, bringing the soil's pH level back to normal.