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Help me understand Humiditiy 50%

Goldbudstarted grow question 6y ago

Humidity should be at around 45 -50% at flowering (week 3 of flowering), but on which temperature. Having 50% air humidity with 20 degrees is not the same as having 50% with 24 degrees. Can anybody help me to understand this?

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Shagrathanswered grow question 6y ago

You should check VPD chart There is optimal temperature/humidity ratios But when it is said that you should have 50%RH atleast I understand it that your temps are in optimum range. When there is too much heat you should add more humidity too for the plants to stat happy and colder you lower humidity to prevent mold etc.

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Groenixanswered grow question 6y ago

Hi. You can read some articles about vapor pressure deficit VPD. It's interesting but not useful for home growing as for me.

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Fusionanswered grow question 6y ago

@Shagrath said it perfectly. Warm is good but too warm will create mold. Have to test your climate on where can push it.

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