At this stage, your plants have not yet established their root systems. Creating a high-humidity environment in your nursery or clone room will reduce transpiration through the leaves and take the pressure off the immature root systems, allowing the root system to catch up before ramping up VPD and transpiration.
Many growers opt to start clones and seedlings in mother or veg rooms, in which case they may use plastic humidity domes to help retain moisture (and in some cases heat), allowing them to share space with more mature plants without similar environmental constraints. However, if you use these domes, ensure they have proper ventilation to prevent building up too much moisture and to ensure exchange of CO2.
High humidity levels can cause wood to swell, resulting in creaking noises when you open or close doors and walk across hardwood floors. If you notice creaking noises like this happening in your home when they previously were not present, it could indicate too much moisture in the air. Contact a professional who can identify the source of the humidity and determine what kind of dehumidifier is best for you.
