Question about plastic and UVB

[Vert340]

My light fixture after about a year decdied to die on me recently so I ordered a new one. I use duo fixtures ao that i can have a uvb and a plant growth light. So my fixture came in today and this fixture comes with like a plastic slide in screen that would be pretty cool to have so that water is blocked frok hitting the bulbs 100%. So my question is, can I use that plastic screen or will it block the UVB light? I want to use it but obvs if I can't then I won't.

 

[ERKleRose]

It will block the UVB light, there should be no cover over the UVB bulb

 

[Vert340]

It will block the UVB light, there should be no cover ov

Ah okay just was curious since I know some acrylic plastics do allow uvb to go through and since it came with the plant growth fixture I was hoping it was one of those rip

 

[ERKleRose]

Ah okay just was curious since I know some acrylic plastics do allow uvb to go through and since it came with the plant growth fixture I was hoping it was one of those rip

Sadly nope

 

[Klyde O'Scope]

+1. If you have a UVB meter you can test that, but so far every glass & plastic I've tested blocks UVB completely.