All FAQs

Do I ever need to drain the reservoir and refill with fresh water and nutrient solution?

Yes. The reservoir should be drained and rinsed every 7-14 days, depending upon plant size and nutrient usage. It should definitely be drained and cleaned whenever you change the nutrient ratio formula. It is also a good idea to rinse off the growing medium (expanded clay pebbles) each time the reservoir is cleaned. Plant waste will tend to accumulate on the growing medium.

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