I saw this ballast system for HPS that seems pretty nice and quite cheap, and the 6 year warranty certainly grabbed my attention. I was just wondering if anyone knows them and has used their ballast systems before?

http://www.mdhydro.com/ht-high-pressure-sodium.html

Thanks
Das Reviewed by Das on . Any Know Maryland Hydroponics? I saw this ballast system for HPS that seems pretty nice and quite cheap, and the 6 year warranty certainly grabbed my attention. I was just wondering if anyone knows them and has used their ballast systems before? http://www.mdhydro.com/ht-high-pressure-sodium.html Thanks Rating: 5