Never heard of it, but Mylar is around 98% reflectivity while Aluma Cool says it's 95%. Pretty much about the same but Aluma could end up costing more since you're buying per foot (unless you have a small growing space).
stickygreenlightsabr Reviewed by stickygreenlightsabr on . Reflective quality Question?? Anyone hear of Aluma Cool?? Is it better than mylar? Found it at a hydro store https://store.justn-tyme.com/product_info.php?cPath=45_26&products_id=244&osCsid=193cc086898c122b0dd13ea56bc73243 Rating: 5