So I inherited a hood and two ballasts for a dual 600 hps setup. Went to buy some bulbs and the local shops are selling them for $110 EACH. Screw that. I was looking on eBay and found some for $25 (including shipping). The seller had good reviews, http://cgi.ebay.com/600W-600-WATT-HPS-HYDROPONICS-SODIUM-GROW-LIGHTS-BULB_W0QQitemZ280334221252QQcmdZViewItemQQptZLH_DefaultDomain_2?hash=item414538bfc4&_trksid=p3286.c0.m14&_trkparms=65%3A15|66%3A2|39%3A1|240%3A1318|301%3A1|293%3A1|294%3A50 . I'm wondering if anyone has any experience buying from eBay... or with these $15 grow bulbs. Will these do the job or should I get some higher quality ones?
i'm sure you can find them cheaper than 110$ somewhere, but I don't think that going with bargain basement ebay bulbs would end well, they're just going to be horrid quality and burnout/explode/have crappy spectrum properties more than likely.