Temperature Humidity and C02
Fans in a grow room, not only vent out humid air but bring in drier air to the growing environment and this is essential for not only good plant growth but also disease prevention. When humidity levels are high, condensation can become a problem.
Condensation on plants provides the perfect environment for many types of fungi and bacterial diseases to infect your plants. It takes only a few hours of this for most diseases to infect plant tissue and take hold, so reducing your humidity levels and preventing condensation are one way of protecting plants from disease. There are two types of fans commonly used in growing areas - intake and extraction or vent fans.
Intake fans pull air into the growing area, extraction fans push it out. Ideally both should be used to vent out and draw in fresh air, inside the growing area, air needs to be mixed and circulated over the plant surfaces.
Circulation or mixer fans, which may be wall mounted or pedestal types carry out the essential function of mixing the cooler, drier fresh air being brought in, as well as any CO2 enrichment to create a perfect constant temperature and prevent cold drafts from stressing the plants. These fans should be placed carefully because the main objective is to not only get air circulating and mixing in the lower levels of your crop to reduce humidity and disease problems, but also over the tops of your plants to help achieve maximum growth and yields. Checks on CO2 levels, temperature and humidity around the growing area and in the crop will help give information on placement and allow you to adjust fan positions when needed. Ideally, fans should be linked to a thermostat - triggering increased air flow and ventilation when temperatures start becoming to warm.
REMEMBER: Air movement with the correct sized fan, well placed mixer fans to displace air around plant surfaces and fan controllers to get maximum climate control are vital to the success of your indoor crop.
source : hydroponic
Fans in a grow room, not only vent out humid air but bring in drier air to the growing environment and this is essential for not only good plant growth but also disease prevention. When humidity levels are high, condensation can become a problem.
Condensation on plants provides the perfect environment for many types of fungi and bacterial diseases to infect your plants. It takes only a few hours of this for most diseases to infect plant tissue and take hold, so reducing your humidity levels and preventing condensation are one way of protecting plants from disease. There are two types of fans commonly used in growing areas - intake and extraction or vent fans.
Intake fans pull air into the growing area, extraction fans push it out. Ideally both should be used to vent out and draw in fresh air, inside the growing area, air needs to be mixed and circulated over the plant surfaces.
Circulation or mixer fans, which may be wall mounted or pedestal types carry out the essential function of mixing the cooler, drier fresh air being brought in, as well as any CO2 enrichment to create a perfect constant temperature and prevent cold drafts from stressing the plants. These fans should be placed carefully because the main objective is to not only get air circulating and mixing in the lower levels of your crop to reduce humidity and disease problems, but also over the tops of your plants to help achieve maximum growth and yields. Checks on CO2 levels, temperature and humidity around the growing area and in the crop will help give information on placement and allow you to adjust fan positions when needed. Ideally, fans should be linked to a thermostat - triggering increased air flow and ventilation when temperatures start becoming to warm.
REMEMBER: Air movement with the correct sized fan, well placed mixer fans to displace air around plant surfaces and fan controllers to get maximum climate control are vital to the success of your indoor crop.
source : hydroponic
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