biggirlkisss
Member
- Joined
- Mar 1, 2013
- Messages
- 972
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ebay USA or was it a chinese supplier?@TripleOG it takes skill beyond me. I am more interested in hps ceramic. it was from ebay 100 watt 620nm but you need 100 watt power supply you have to ask seller to get right one and still you need help to install.
sunlight through glass is very bad.is sunlight through glass beneficial gavin?
Whysunlight through glass is very bad.
it blocks the good UV B and lets through the more dangerous UVA.
**** that's crazy!!it blocks the good UV B and lets through the more dangerous UVA.
here is a pic of a trucker who didn't use a window shade
View attachment 9180
So do you think light without glass is better than through glass?it blocks the good UV B and lets through the more dangerous UVA.
here is a pic of a trucker who didn't use a window shade
View attachment 9180
yes, its the UVB that produces vitamin D and it doesnt pass through glassSo do you think light without glass is better than through glass?