best reflextive liner for you grow box

mylar. google it and buy it online or purchase at your local hydroponics store or gardening center. i bought a 4.5 x 50 ft roll for $17. :peace:
 
i used aluminum and haven't had any prob.s, but next time i'll prob. just get some white paint to use instead. seems to be just as reflective and less of a headache
 
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