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I'm getting mixed messages related to RH and ...
BigBadLionstarted grow question 6 years ago
I'm getting mixed messages related to RH and seedlings. Some people (and websites) say it should be between 45% to 60% during this stage but others say I should keep it over 60%. I know the roots are not very developed right now but.. what's the real number than I should aim for?
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OutForRealanswered grow question 6 years ago
Hello ! Here are the full RH range for each time of the plants lives : Clones: 90% // Seedling (1st week): 80% // Early veg (2nd week): 70-80% // Growth(3/4 semaine): 60-70% // Vegetative phase (weeks 5/6 ): 50-70% // Early Flowering - Stretch (weeks 7/8 ): 50-70% // Flowering - Blooming (weeks 9/12 ): 50-60% // Late flowering : 30-40%.
Of course they are just the best RH range you can reach for each stage of the plants life but it's not a "rule" as you can grow with lower RH at each stage but be careful about higher RH as it could lead to mold/bud rot/fungus. I hope it will help you 😁👍
CRiSPrGrowanswered grow question 6 years ago
hey there, at the seedling stage you're aiming for 70% + then as more leaves come and flowers appear you want to reduce that to avoid RH-related problems like fungus and bateria that can destroy your crop. So in the begging you're looking at 70% or more then in veg , 60%, then in flower 50%, later flower 30-40% why? because low RH promotes the development of trykes and also it avoids things like bud rot and other problems. You're doing well already ! good luck ! 🚀
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Athosanswered grow question 6 years ago
The IDEAL conditions for clones and seedlings is a RH above 60%, around 80% actually; that does not mean that if you are below that range they will not grow, actually I never have that RH for my seedlings, my grow space is usually between 35% to 45% during seedling and veg stage and they grow fine; what might happen is they take a tiny wee bit longer to develop, but that's it. Cheers.
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