I have had issues with some aquarium lights i purchased. I emailed customer service and they promptly replied and replaced the items. I had another problem with the light and they refunded my my money quickly. They even offered advice and recommendations on a better lighting arrangement. I am surprised at the reviews stating service was deplorable. My service has been amazing. I did subtract a star because the lights blew after less than a week. Going to get a new light fixture as it is old and might be part of the problem.