Yes, but you must use the dull side to reflect your light as the shinny side will produce concentrated hotspots. Using aluminum foil is a cheap alternative to using mylar or white paint, but it does not perform nearly as well.
Yes, but you must use the dull side to reflect your light as the shinny side will produce concentrated hotspots. Using aluminum foil is a cheap alternative to using mylar or white paint, but it does not perform nearly as well.