Anyone know if HPS or MH bulbs degrade by sitting on the shelf for extended periods (10-15 yrs) ? They are brand new in the box but have been sitting around quite awhile.:rastasmoke:

Thanks,

John Noll
Thegrassynoll Reviewed by Thegrassynoll on . HPS & MH Shelf life Anyone know if HPS or MH bulbs degrade by sitting on the shelf for extended periods (10-15 yrs) ? They are brand new in the box but have been sitting around quite awhile.:rastasmoke: Thanks, John Noll Rating: 5