Reflective quality Question??

[AandKdaddy]

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

[stickygreenlightsabr]

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).

[red662]

is it ok 2 use tin foil? i heard it was but dull side out?any1 know???

[Zandor]

is it ok 2 use tin foil? i heard it was but dull side out?any1 know???
No: not really the risk of hot spots is to high. Flat white paint is better then foil in that case. imo

[AandKdaddy]

thank you Zandor Would never use tin foil heard bad things abou8t tin foil from all experienced growers...I never heard of Aluma cool but it looked cheaper than mylar on the web site I saw Maybee it was by the foot I am not sure..said 2.00 something