The humidifiers selected by growshop are well suited for indoor growing. They have water reserves to ensure a comfortable use. Some produce hot steam, others cold steam. There are mixed models that have an integrated hygrometer. Most plants suffer from dry air, when the air is heated, it loses most of its moisture. The leaves can turn yellow and eventually fall off. To obtain good harvests it is essential to have a good hygrometry rate. Some devices provide humidity in the form of hot steam, others humidify the air cold thanks to ultra-sonic cells.
Recommended humidity for plants
A too high concentration of humidity in a room of culture can harm the comfort of your plants and deteriorate your cultures.
To overcome this problem you need to use a dehumidifier!