Quote Originally Posted by Zandor
HD only has 400 watt but they do have MH & HPS. If you need larger wattage try 1000bulbs.com or call a local electric supply house. Most of them sell to the public they don't want to loose the business.

Peace
How can you tell they are HPS? What do they look like? I looked for about a half hour reading the boxes, and didn't find any label that said HPS??
Are they the clear type? Shaped like a regular 100 watt house light bulb?
Thanks