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DWC temps in first 3 weeks

WhyNotA2
WhyNotA2started grow question 4 years ago
Running an experiment on temperature control on DWC buckets. I am seeing that no temp control in DWC thru 3 weeks has been beneficial. Same strain, environment, training, topping and all. Curious what's going on. Maybe hotter temps for first 3 weeks helps due to evaporation?
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Week 4
Setup. Substrates
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WhyNotA2
WhyNotA2answered grow question 4 years ago
@MrBlocc420 The uncontrolled bucket temperatures have ranged from 74-79 depending on time of day so far. It's getting colder here quickly. I imagine that the 79 will be the high temp for the remainder of the grow. Controlled bucket has been between 63-69 the entire time with vast majority of time being between 66-68.
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MrBlocc420
MrBlocc420answered grow question 4 years ago
I don’t know where your temp in buckets are but optimal temps in my room in my medium is anywhere from 65-74 degrees on hot days or heat waves I’ll drop temps to 65 to keep plants comfortable. Up to 80 degrees is fine. Any higher your plants will stop taking up nutrients . I will love to see how high your temps get and how your plants react I am curious
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WhyNotA2
WhyNotA2answered grow question 4 years ago
@The8thChevron I should probably clarify a bit. My tent temperatures are the same for both. Only difference in the 2 plants so far has been temperature of the water in my DWC buckets. One I keep at 66-68 and the other is whatever the tent is. Root system is maybe 3x the size.
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The8thChevron
The8thChevronanswered grow question 4 years ago
I dont think you'll get much usuable data this way. If you could spray paint the outside of the bucket white or cover the entire thing in a reflective surface, you might see some results in substrate temperatures but not the temperature of the entire tent. Best thing to do is to have your air pump near a vent where cooler air is being drawn in. The air pump will pump the cooler air into your DWCs and cool your reservoir. This is how my res stays at 68 degrees while my plants are in 77 degrees. Hope this helps!
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