Asked by: Kirstin De Haro
asked in category: General Last Updated: 22nd February, 2020

Do you need to flush hydroponics?

It's as simple as just feeding plants water. If you grow in a hydroponic system that doesn't use media, flush for around 7 days at the end of your harvest. If growing in a media (like soil or coco) you need to start earlier to ensure the nutrients that have built up in your media will be flushed out too.

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In respect to this, what happens if you don't flush your plants?

You see, during the growing cycle, your plants store excess amounts of nutrients, salts and other compounds. If you don't allow the plants a chance to dispose of these surplus compounds by flushing them before harvest, your final product will be much harsher and more bitter tasting.

Also, is Flushing really necessary? So while flushing can add to the overall health of your plant that will, in turn, make for a tasty harvest, it's not completely necessary A highly experienced grower who has very few- to no- nutrient deficiencies or overfeeding to correct usually don't flush because they know how much their plants can intake.

Herein, do I have to flush my plants before harvest?

Timing Is Key: When To Flush Your Plants If you're growing in soil, begin flushing between one and two weeks before harvest. If you're growing in coco, flush your plants for up to one week prior to harvest. If you're growing in hydro, your plants only need to be flushed for one to two days.

How often do you change the water in a hydroponic system?

A good general rule of thumb is to start plants being watered about 2 to 3 times a day and increase as plants show signs of needing water.

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