Questions - Need some input

Currently I am running a 6 bulb t5 setup at 54 watts a piece on a 48' long 75 gallon that hand about 3" above the water. I have always wanted and have tried on a few occasions to keep your standard acropora and millepora with no positive results to report all parameters are reading good, nitrate, phosphate, ammonia, mag, calc, dkh but I keep reading that rapid bleaching (which is what I keep experiencing) is caused by too much light and too little light results in browning and discoloration. ...

I have noticed my GSP has a bad spot on it, is this aptisa. What can I do to get rid of this?

So, I'm beginning this blog entry before I upload my pictures. A few days ago I wrote up a blog entry showing a picture that made me think my tank had microbubbles in it. To date it appears better to me, but for comparison's sake I took a few pictures of the tank last night. In one picture the scenario is comparable to the scenario under which the picture from my other post was taken. In the other I have turned off the protein skimmer and then actually shut off the return (for those unfamiliar ...

Attached Thumbnails

     

the title basically says it all, I’ve only just discovered it today when i touched my fixtures heat sink and U-channel aluminum with wet hands...it wasn’t a strong shock but none the less this should not be happening

There are two posible sources of this stray voltage

1. Where the wires from the drivers go through the sharp edge of the heat sink and in to my fixture its possible it cut the insulation.
2. A while back I damaged one of my LED’s when I had to add longer wires, I accidently

...

Ive had the 3 species of acans in my tank for about two months now and I am noticing them turning white on the tops? I run all LEDs and they are in the sand bed but one that I had mid level in my structure has also gone white. These acans are all reproducing very quickly one of which has grown 6 heads from the original 3 that I had a month ago. My levels are all perfect Nitrate and Nitrite 0 Phosphates 0 pH 8.4 calcium 450-500 and Alkalinity 9. All of my other corals are doing very well and I have ...