fixtures

Any lamps or fixtures that they are compatible with?

Hi guys, I currently have an LED, first grow. Im interested in tring a 600w DE fixture. My main concern is I only have one useable arm, how tricky is it change the bulb and maintain it in general? Is there a situation where you need absolutely need two hands. maybe holding something in exact...

I have a chance to purchase some Metal Halide exterior light fixtures. I am waiting for a photo of them but I assume they would be yard lights of some sort. My question is, would these work for grow lights? I assume the fixture would include the ballast? The offer was 28 of them for $500...

So. I've been doing a ton of reading on uva and uvb supplementation in the later few weeks of flower..so much that I've decided to go ahead with it on the first run.. I bought some t5 HO 54 watt reptile bulbs and some fixtures.. I got 4 bulbs and 2 fixtures.. Bulbs came out to be $22.25 each and...