A dropper is the part of an irrigation system that looks a bit like a plastic pen and drops the water in your substrate.
Learn all about watering cannabis plants:
- When And How To Water Cannabis Plants
- When To Water Your Marijuana Plants
- Watering Marijuana Grown In Soil
- Absorption Of Water And Nutrients By Marijuana Plants
More water related definitions:
pH / Acidity | EC (Electric Conductivity) | Irrigation system | Water temperature
