How low can the air and water temp go before it hurts the plants?

I want my young'uns healthy!

grow log: http://boards.cannabis.com/showthread.php?t=95268
bud luv Reviewed by bud luv on . minimum temperature? How low can the air and water temp go before it hurts the plants? :confused: I want my young'uns healthy! grow log: http://boards.cannabis.com/showthread.php?t=95268 Rating: 5