Temperature control

Fellow greenies, newbie here with a random observation. I'm on my third grow with mixed results ie : airy buds, poor formation, hermie and some minor wins.

Growing in 20l hydro bucket with vitalink hydro max with sumo boost added since light switch to 12/12. Mars hydro fce3000 source .

My question is , does a bigger variance of temp and humidity between lights on and lights off make any difference.

Current grow I have increased temp with lights on to 30' with 40' humidity and when lights off 18' and 65' humidity. I have seen a notable difference from previous grows and am wondering if it's coincidence or does this really make a difference.


Any feedback welcome.
 
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