Lighting

While was in Des Moines during September for MACNA 23, my tank sitter contacted me to let me know the anemone was up to no good and that one of my corals had turned white. I thought it was just a little frag that was too close to the BTA, but when he sent me a picture via MMS, I nearly lost my mind. The coral was actually three in one spot, and the little frag that I thought was the victim was completely fine. Here's some of the damage.

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Hello everyone....
Replaced my T5's (had 4 over my tank) I had over my tank... with Corallife (4)T5 HO w/ lunar lights just looking for how long I should run the lights after I have them up to "full time use" right now I have them at 2 hours each day only had the light for a few days. My tank has mostly LPS and softyies and 2 SPS corals.
Thanks for the info.
Chris

Finally, after almost a year between planning, prototyping, building and coding, my DIY LED fixture came to life. On Sept 6th the woodworking shop, LD Marcenaria delivered the new hood (they are very good, super recommend them to anyone living in São Paulo). It looked good, had dimensions according to the Google Sketch I had drawn, seems strong, etc.

Installation was way longer than just swapping the old hood for the new one because I had to redo the Aluminum structure of the ...

Well I sat down with my receipts and came up with the cost so far for this build. I have spent more money then absolutely necessary, but I wanted to experiment with some things, I had to buy some tools, and I bought some items in bulk because I know I will be building more of these. So I am just basically going to give you the break down of all the things I have used on this project.

Tools:
Soldering Iron Adjustable from 20W to 50W $20.99 Radioshack
Electrical Pliers ...

I've been wicked busy lately so I havent been able to work on the LED pendant much. But the last couple days i made some progress so here are a couple pics and a video!


Here is a prototype cap for the fixture. Im using an eye hook and 1/16" cable to hang the pendant. I have a double pole rocker switch in the cap that turns the LED and the fan on together so they are either both on or off. I thought about separate switches but figured when am I ...