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Home      Reply		Viewed: 255 -- Replies: 16
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Posted	coral
20-01-2007 19:24 by gwyn	does anyone now how to keep coral at its right colour as i bought a green coral two days ago but it as gone brown just like the rest of my coral as anyone got any answers could they let me now i do reg water change and also i have very good lighting
20-01-2007 20:03 by trik	hi what corals is it and what other corals have you had this problem with, do you add any coral supplements? if so which ones,also the main thing what is your water prams, not just nitrate but cal mag alc (dkh)
20-01-2007 21:17 by gwyn	hi trik my water measure are all ok the coral is all ok but every thing is just turning to one colour (brown) i have only started this hobby about six month now but i got a good idea what it is all about the coral i have just added in the tank is a very big mushroom lookinsg coral i am not very good with the names of coral and can you tell me what is the best supplements for coral
20-01-2007 21:26 by jonie	kent marine do the best marine suppelments
20-01-2007 21:40 by gwyn	hi jonie are these supplements important for these corals
20-01-2007 21:52 by jonie	you dont have to use them but they do help in growth etc..
20-01-2007 21:55 by gwyn	would you say this as anything to do with the colour
20-01-2007 22:44 by jonie	not too sure but im sure if you pm'ed wayne or trik they would help to pm click there name
20-01-2007 22:45 by jonie	im only 13 so im no epert but i have a dd d ewen us we have kept fish for 25years plus
21-01-2007 06:50 by nelly	I remember when i first set my first marine up years ago i had the same problem,just kept doing water changes and invested in some good grade living rock and filled my tank,never went brown ever again..
21-01-2007 15:02 by gwyn	hi nelly thanks for your answer but i already got £1100 worth of live fiji rock in the tank as my tank is 7'x2'x2'
21-01-2007 18:09 by stepstone	Hi gwyn, catch the lecture coral farming by anthony calfro , on www.reefvideos.com (best of luck)
22-01-2007 09:32 by Alan	First of the symbiotic algae gives the vorals their colour or at the very least has a huge influence over it. The symbiotic algae is effected by light and nutrient level. First off what lighting are you using including kelvin rating. Secondly what is your nitrate level. Thirdly what is your phosphate level. Another thing of note is that corals will take up the most effective symbiotic algae for their environment the brown colour is normally the result of excessive nutrients or low intensity lighting.
23-01-2007 20:41 by gwyn	hi alan i have a giesmann light and it run on three 250watt bulbs at 14000kelvin and are on 5hours a day all my water levels are all ok
24-01-2007 09:37 by Alan	What is your nitrate level it may be okay but could still be the cause. Also whats the length of the photo period this could have an impact as corals would only get full wack from the sun for about 6-8 hours not the 12 hours we often subject them too. Also what do you feed and does the water have a yellow hue this is the result of organics not necessarily nitrate or phosphate.
25-01-2007 01:08 by garry	5 hours is a bit low i have mine on for 10 with t5 1 hour either side of that
25-01-2007 10:44 by Alan	I should have explained in more detail max illumination 6-8 hours but you would still want t5's on for a couple of hours either side. This would replicate more accurately the level of illumination that would be experienced on the reef. My tank is subjected to 12 hours of max illumination which is probably excessive.

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