+dapettit Posted November 10, 2007 Share Posted November 10, 2007 The canopy for the 150 will be delivered today. I will have 2x250 MH 10K lights inside 2 "lumenbright" reflectors. The bulbs will be 8-10" above the water with a tank depth of 22" after subtracting the 2" sandbed. I will be moving stock from my 29 which has 1x150 MH 14K which is 5" above the water with a tank dept of 17" after subtracting the 1" sandbed. My question is do I need to acclimate the new corals to the 250s? I have green birdnest, purple birdnest, red digitati, couple of rics, a blasto, some polys, zoos and assorted LPS. TYA, Dave- Quote Link to comment Share on other sites More sharing options...
Headless_donkey Posted November 10, 2007 Share Posted November 10, 2007 Here is an idea well steeped in an opinion(not gospel): First assumption: The things will need time to acclimate to the new light Second assumption: the contents of you 29 gallon are going to take up a small percentage of the 150 I would turn on 1 250 over the 150 gallon and see if there is a section that has the same mount of light as your 29gallon. Then I would try to fit the 29 gallon's creatures in that area. I would continue to run just a single 250 for a while(how long will be determined by what the corals do). As the days/weeks pass, I would slowly move the former 29 gallon's contents under more direct light. I would still keep them low. Then I would slowly(over days/weeks) move them up the the tank. Once everything is settled I would start running both 250s for what photocycle you want to keep. BTW if your corals take to the new light like a duck to water(I love cliches), Ignore everything previously mentioned. Keep in mind your corals may lose some color simply because you moved to a 10K bulb. However, you might also see more growth. I like the 10K look. Quote Link to comment Share on other sites More sharing options...
+dapettit Posted November 10, 2007 Author Share Posted November 10, 2007 Thanks James, The idea is use the 10k for a year to encourage growth then switch to 14 or 20k because Robin likes the look. . . Quote Link to comment Share on other sites More sharing options...
Headless_donkey Posted November 10, 2007 Share Posted November 10, 2007 Sounds like a plan! Many really nice tanks around Austin use 14k and get good growth and look good. Quote Link to comment Share on other sites More sharing options...
GKarshens Posted November 11, 2007 Share Posted November 11, 2007 You can also use screens. 2 for one week, 1 the next week and off the third. Quote Link to comment Share on other sites More sharing options...
Headless_donkey Posted November 11, 2007 Share Posted November 11, 2007 I have done the screen and it worked well. Apparently, I like to have my hands in the tank at all times. LOL Quote Link to comment Share on other sites More sharing options...
offroadodge Posted November 11, 2007 Share Posted November 11, 2007 well the same question arose for me also, and headless hit it right on the head. i spoke to him and did a quick turn on of MHs over my 72 bowfront, the corals after 3 hrs loved it. No retracting and they seemed to actually look happier. thanks for all the help James. slow acclimation if neede is worth it, but in my case i think i got lucky cause everything in my tank looked great. The screen works too. Quote Link to comment Share on other sites More sharing options...
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