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  #1  
Old 16-04-09, 19:07
FlashGuru FlashGuru is offline
Cleaner Shrimp
 
Join Date: Feb 2009
Posts: 55
HOB Refugium Light on 24 hrs?

Hi Guy's,

Ive got a HOB refugium running, one of those complete kits off ebay.

I currently have my refugium light on for about 8-10hrs a day and turn it off when the moonlights come on, ive heard various stories, but lots of people say to light your refugium 24 hours a day, does anybody light their HOB refugium 24 hours a day? if so, how do you stop the light from getting into the main tank (when its supposed to be night time for the fish and corals?)

Will cheato grow better with 24 hour lighting? Will having this light on 24 hours and spilling into the main tank affect the corals and fish?
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  #2  
Old 16-04-09, 19:39
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HullTiger86 HullTiger86 is offline
Great White Shark
 
Join Date: Feb 2009
Location: Hull
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I keep mine on 24hrs a day mate, either paint or cover it so little or no light gets into the tank keeping the light of 24/7 keeps your PH more stable
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  #3  
Old 16-04-09, 20:00
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Nolte Nolte is offline
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Join Date: Oct 2007
Location: Halifax, West Yorkshire
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The usual is to light 24 hours a day or on reverse lighting to your main tank as it makes the algae in your refugium more effective. Otherwise what it takes in during it's lit period it expells during darkness.

I run one on my tank and it's lit 24. I made a board in black to go between the tank and the refugium which then cuts out most of the light.

Fran
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  #4  
Old 16-04-09, 20:56
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Deepee Deepee is offline
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Join Date: Mar 2008
Location: Carterton, Oxfordshire
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The lighting period very much depends on what Algae you have in your Refugium, Chaeto does not need to be Lit 24/7 so the reverse light cycle may be better for this type of algae, caulp however tends to work better on a 24/7 cycle for some reason helps to stop it going Asexual. Chaeto does NOT leech nutrients back into the system however Caulp can after time go what called Asexual which means It leaches Phosphate and Nitrate back into the water column.

Hope that helps.
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Old 16-04-09, 23:31
FlashGuru FlashGuru is offline
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Thanks. Ill leave it on, what should i cover it with? What do you cover yours with? Painting the refugium isnt going to stop the light since the light is above it and thus above the tank and shining down into it.
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Old 17-04-09, 01:37
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HullTiger86 HullTiger86 is offline
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i used plastic aquarium background and double sided tape lol cut it bigger then the fuge to cut out on light aswell
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  #7  
Old 17-04-09, 02:38
FlashGuru FlashGuru is offline
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Good idea. Thanks. Got any piccies?
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  #8  
Old 17-04-09, 02:55
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Octopus
 
Join Date: Dec 2008
Location: Aviemore, Scotland
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I have a HOB Filter i put some Chaeto into, the only light I give it is the 10hrs a day my Halide is on (1hr before and after actinics only) and it grows very well, in 1 month it more than doubled in size and I just gave 75% away on here.
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  #9  
Old 17-04-09, 10:30
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HullTiger86 HullTiger86 is offline
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Will put some pics on later this evening mate when i get in from work
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