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too much light

  1. General Reef Discussion
    I had everything in a 55 gallon tank with a 20 gallon sump, and a LED over head light. I have since moved things into a 90 gallon tank with a 39 gallon sump. I have also changed the lights from my fluval 52" led bar to a 6 light t5 system. Since then, my corals seem to be shrinking and...
  2. Lighting
    I've got 36 inch T5's on my ten gallon tank(standard dimension). Clearly the lights are designed for a bigger tank, but I got the t5 ballast for an absolute steal, so what can you do. I can hang ballast, but right now I'm just using the "little spacer legs" and the legs are resting on the top...
  3. General Reef Discussion
    I am suspicious that I have too much light. I have posted on this before (http://www.thereeftank.com/forums/showthread.php?t=204335) so that one has more details on the lighting etc. Tek T5 6x39w fixture 5in off water. 12p-12a light w 6hrs of 4 bulbs and 6hrs of 1bulb (evening and...
  4. General Reef Discussion
    Greetings all! I have a question for the bubble coral experts. I have recently added a nice piece of bubble coral to my 40 breeder. I purchased this from liveaquaria and it was my second piece I've added (I also have frogspawn). I have an aquaticlife 4-lamp with LED T5 system. The coral...
  5. SPS Coral Forum
    I just bought this frag yesterday. and it was acclimated over an hour with the lights off. I float acclimated for 25 min then dripped acclimated it for 45 minutes until only tank water was in the container. The temp didn't swing because it was all done in the sump. I got it from a store 20...
  6. General Reef Discussion
    I'm going to re-configure my 47g column tank. Adding some badly needed equipment. and try again! Fist attempt ended bad. Never mind why.. My question is could I use 400w mh on my tank. The tank is 20" x 20" x 30". I of coarse will make it a canopy with cooling fans ect. How far above the water...
  7. General Reef Discussion
    I have a 180 gallon tank for about a year now. I just bought 3 new 175 watt 20K blue pacific metal halide bulbs. My corals were doing great under the new bulbs. I added three Blue led strips a few days later, Shipping issues. The first two days I left the leds on 24 hrs a day. Last night I...
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