AI Hydra HD lights for sale. These are all around 6 months old and ran 8 hours a day at around 50%. I have decided to go back to T5 with LED supplement. I have original boxes for all three. One Hydra 52HD $450.00 shipped. Two Hydra 26HDs $300.00 each shipped or both for $550.00 shipped. Local pickup is 95690. Can meet in or around Elk Grove, Lodi, or surrounding areas.