- Check the level of your plant solution at least once per week. As the level of the water goes down, the roots should follow.
- Refill when the solution is almost used up. Fill about half way, leaving some of the roots exposed to air.
VERY IMPORTANT: Always keep a pocket of air between the roots and solution. DO NOT cover all the roots with solution. Your plant roots need this air to grow. Otherwise, the plant will suffocate and die.
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