Any Luck with Hygrolon Alternatives?

Hygrolon substitute?

Tin foil to cover screen for red heating lamp? : r/snakes

Hygrolon substitute?

Hygrolon vs great stuff background

KarmaPolice's Fake Hygrolon Log

Hygrolon substitute?

Hygrolon material or equivalent

What kind of background is utilized here? Looks like something plants and moss could grow on. : r/Vivarium

Hygrolon substitute?

Welspun India & Dupont Biomaterials collaborate to launch new sustainable home textile collection – Sustainable Textiles

Hygrolon vs great stuff background