Ventilation and air in an indoor culture
Within a growing room, ventilation and air is one of the many major parameters that must necessarily be taken into account and implemented. In fact, with horticultural lamps, ventilation and air are a determining factor in the success of an indoor cultivation, the success of an indoor horticultural experience.
Logically, ventilation and air can be summed up in three main factors: carbon dioxide (CO2), temperature and hygrometry, i.e. the level of humidity available in the surrounding air. To achieve optimum climate control, ventilation and air is achieved through the installation of air extractors, fans - air blowers, carbon filters and other odour controls, ventilation ducts and other ductwork accessories. On Indoor Discountventilation and air are grouped together under the heading horticultural ventilation, in which brands such as Winflex Ventilation, System Air, Prima Klima, Advanced StarCan, ... stand out for their performance and reliability.
What are the basics concerning ventilation and air, to be known and respected when growing indoors?
First of all, air renewal consists in creating an active circulation of carbon dioxide, CO2. This gas proves to be an essential element in the photosynthesis of plants and thus in their evolution. Plants assimilate CO2 during the daytime and release it at night. It is therefore essential to manage this renewal of air, within a growth chamber, on a permanent basis. In addition, stable and temperate temperatures guarantee a perennial, healthy and productive crop.
By maintaining temperatures around 23 - 25 °C, the plants offer their full potential. They can then devote all their energy to flower building, fruit or vegetable production. From 27°C onwards, harmful evapotranspiration from the plants appears, i.e. they use part of their energy to fight against the sweating they are subjected to.
This same negative phenomenon accelerates and becomes exponential above 30 °C. In the same way, a relatively high hygrometry, of the order of 40 to 70 % humidity, is required during the growth phase of the plants in order to maintain well active stomata, emitting well their permanent gas exchanges.
Conversely, during the flowering or fruiting phase, the plants will flourish healthily and fully, by limiting the humidity between 35% and 50%. By controlling a relatively low level of humidity, the idea is to prevent and protect plants from potential disease or mould development, and thus optimize yields.
What equipment should be installed to effectively control ventilation and air in a grow room?
To regulate ventilation and air, the installation of carefully calibrated equipment is essential in a grow room. For this, the installation of an air extractor, ventilation ducts and other duct accessories, allows a renewal of CO2 essential to the good evolution of all plants. In the same way, this air extraction system brings a closer management of temperatures and hygrometry.
Especially if it is complemented with air intake units, foggers, humidifiers and climate managers equipped with thermostats and hygrostats, reacting in real time. Thus, on Indoor Discountclimate control is governed by specialist brands such as Davin Controller, Winflex Ventilation, Superpro Controller, , Harvest Master, Ecotechnics, ...
Finally, ventilation and air can also be subject to effective odour control by means of activated carbon filters, such as Bull FilterHy-Filter, Phresh Filter, Prima Klima, Can Filter (...), purifiers/ionisers and diffusers of essential oils, such as ONA or The Neutralizer.
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