Moving plants and need to change timing, what should i do?

fask4010

Active Member
hey everyone,

so i live in canada and ive been growing 5 plants in the attic since september , now its gotten way too cold.the plants are growing under a 400W HPS and are just finished their first week of flowering. i tried using a heater but it isnt enough there are way too many heat leaks and my temp is an average of about 55 degrees. i need to move the plants into a closet but i want to change the light cycle from what i currently have (6pm-6am) to (10am to 10pm) is this possible without totally screwing up the plants?
 
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