paint

I’m in the middle of a sealed room build and I came across this product. I’ve used Blue Max from Ames in the past and I’m wondering if anyone has any experience with their Iron Coat. I furred our my walls with 2x2s, spray foamed and I’m using 1/2 plywood for my wall covering. Up to this point...

What is the best reflective surface? White panda film, flat white paint (any specifics), gloss white paint, black pain, reflective dimple foam insulation board, dull sheen aluminum reflective board... ? Does it matter or can it depend on Veg or Bloom stages? Just looking for some finer...