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#1 |
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Aquarium Advice Activist
Join Date: Jun 2008
Posts: 155
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Do Zoo's always stay closed when light is off?
I just got my first Zoo (green neon)... very small. It's been in the tank about a week now. Is it normal for her to stay closed unless the metal halide is on?
Zoo is about half way up the tank. Light is on approx 5-7hrs a day Tank - 34gall solana aquariuum Metal halide 150w |
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#2 |
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Aquarium Advice Addict
Community Mentor
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Many corals (including zoos) close up at "night" when the lights are off. Conversely some open up or extend feeding tentacles at night. So it's probably OK. However, 5-7 hours is a pretty short photoperiod, particularly if you don't have any other lighting (i.e. additional PC or T5 bulbs). I'd suggest a timer for the light so that the photoperiod is consistent, and also a slightly longer one, although I don't have experience with MHs, so I'll let someone else who does chime in as to how long the light should be on.
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#3 |
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SW 10 yrs and over
Community Moderator
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Mine close up when the lights go off. I dont have MH`s. I have VHO`s. Sounds like normal to my experience.
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#4 |
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Aquarium Advice Activist
Join Date: Jun 2008
Posts: 155
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Thanks for the replies!... I am actually buying a timer this weekend. I would like to get some opniions now on how long I should leave my MH on for? From what I was reading I thought 5-7hrs was ok... Hmmmm everyone please chime in
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#5 |
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Aquarium Advice Addict
Community Mentor
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The equator has a 12 hour photo period. I have my actinic on for 12 hours and my MH on for 10 (1 hour less each side for dawn/dusk effect).
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#6 |
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SW 10 yrs and over
Community Moderator
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I cant help much because I have 4 VHO bulbs. I run the actinic 12 hours (9A-9P) and the 50/50 (9:30A-8:30P) on 11 hrs.I know it does not as far as the MH`s.
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#7 |
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SW 10 & Over
Community Mentor
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I guess I'm the odd ball here, but my zoa's stay opened after the lights are out.
My lights are on a 12 hr schedule. 11AM - 2 x 165w VHO actinics ON Noon - 2 x 40w daylight fluorescent ON 1 PM - 3 x 175w MH ON 9 PM - MH OFF 10 PM - daylights OFF 11 PM - actinics OFF |
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#8 |
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Aquarium Advice Addict
Community Moderator
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I'm with you cccapt. Not all of mine stay open but many of them do. My AOG (armor of God) stay open pretty much all the time. A few others I have stay open with lights out.
I guess it depends on the coral.
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#9 |
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Aquarium Advice Freak
Join Date: Jun 2008
Posts: 205
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8 to 12 hours. The amount of light can effect your tanks temp and algea growth though.
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#10 |
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Aquarium Advice Addict
Community Moderator
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What does that have to do with Zoas staying open after the lights are out?
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