They say a flat white surface is better at reflecting light because it diffuses light instead of reflecting it which can cause hot spots.....
lipps Reviewed by lipps on . DOES THE EMERGENCY BLANKETS AS GOOD AS MYLAR? I'm getting my room ready for my grow & someone told me that the emergency blankets are as good as the mylar & they are a lot cheaper.Has anyone on here used them?I'd like to know which is best so i can finish up ordering what i need. thx info Rating: 5