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Old 03-04-2004, 11:36 AM   #1
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What k value gives the best acropora colour?

What k value gives the best acropora colour?

I am thinking of adding more light to my tank and am wondering what k value gets the best colours out of acropor's. I am just looking for colour and dont mind about growth.

Andrew
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Old 03-04-2004, 11:54 AM   #2
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Generally 10k is more for growth (higher par) and 20k is best for color. Obviously there are some exceptions.
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Old 03-04-2004, 12:06 PM   #3
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so would a 14k be a good one in the middle?

and also what sort of depths do 150 watt, 250watt and 400watt penetrate down to?
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Old 03-04-2004, 12:15 PM   #4
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14 is kind of best of both worlds. Decent color and decent growth.

How deep is your tank?I have a pair of 175watts on my 175gallon. (in addition to my vho's). I would not reccomend those to anyone w/ a tank deeper than a standard 55 gallon tank. 250watt (a pair) on a 2ft deep tank would be nice....I am putting three 400watts on mine.....its gonna rock! If you can afford the 400's go for that definately. I am getting mine on ebay for about 500.00. That includes 3 reflectors, 3 ballast, and 3 400watt bulbs. (bulbs in the 85.00 range.)
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Old 03-04-2004, 12:29 PM   #5
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yeah if you could have alook at this thread then post your reply's wouldbe very appreciated:

http://64.4.36.250/cgi-bin/linkrd?_l...41186%23141186
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Old 03-04-2004, 12:42 PM   #6
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It wont let me access the link.
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Old 03-04-2004, 12:58 PM   #7
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ohh sorry if you go to my profile, then all posts by this member, then down the page to 'thinking of adding more light?'

does that help? sorry dont know why link doesnt work.

a
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Old 03-04-2004, 01:51 PM   #8
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I read the your first post...is that basically what you were wanting me to take a look at? Too me, 100gal tank with basically one 250 is only about half of what you need. 3-4 watts per gallon is standard and for an sps tank, I am going to double that. I would really reccomend the 400watts for an sps tank. Not only will the color be better, but the light penetration and the growth as well. My tank will have 6.85 watts per gallon once the lighting upgrade is finished.

I would love to see some shots of the full tank though!
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Old 03-04-2004, 01:58 PM   #9
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okay i have 3 watts per g at the mo but if i add

2 x 150 watters it will take it up to 6 watts per g

and if i add 2 x 250 watters it will take it up to 8 watts per g.

i unfortunatley cant change the 250 to a 400 which i would if could (bad advice from lfs),
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Old 03-04-2004, 02:01 PM   #10
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That would work...its the watts per gallon and the par rating on the bulb that counts. Sounds like you got it handled!
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