Anyone use/used these for t5 supplemental bars? Much cheaper than the more common/popular choices out there... SB, Reef Breeders, and Reef Brite
https://www.ebay.com/itm/PopularGro...a=0&pg=2047675&_trksid=p2047675.c100005.m1851
https://www.ebay.com/itm/PopularGro...a=0&pg=2047675&_trksid=p2047675.c100005.m1851