Sump lighting shining through display problem?

ohioreef71 · 02/07/2015, 06:41 PM

Is there a negative effect of lighting from sump/fuge shining through the bottom of tank glass when lights are off. I run my lights on a reverse photo period and at night there is a few areas shining through pretty good. I use a shallow sand bed and a few areas around rocks and areas that my goby has excavated is bare glass. Will coral or fish be effected?

suzig · 02/07/2015, 09:12 PM

other than maybe throwing some fish off id say no. although i will add i feel bad sometimes when i turn on the lights in my room and i see some fish start to wake up and then i put them back to darkness. definitely not natural by any means.

jason2459 · 02/07/2015, 09:15 PM

I used to have a hob refugium and was on opposite light schedule from the tank. Tank back was painted but still had some bleed over. It made for a good moon light.

If it's just a little I wouldn't worry about it. But burying fish like leopard wrasses probably wouldn't like it but probably wouldn't do good in your shallow sand anyway.

zachts · 02/07/2015, 11:54 PM

Never had any issue with it. my sump lights are on 24/7 and reflect back up through the tank to some degree. kind of like weird moon light I suppose. the fish don't seem to care and sleep just fine.

tkeracer619 · 02/07/2015, 11:58 PM

I like my tanks to get dark. That way all I have to do to catch them is turn the lights on and put the net in. They don't even try to run...

Not sure how that would effect it. I would black the bottom of the tank out, some cardboard and tape should work.

The ocean is dark at night. Very dark.

Raul-7 · 02/08/2015, 03:51 PM

Quote:

Originally Posted by tkeracer619

I like my tanks to get dark. That way all I have to do to catch them is turn the lights on and put the net in. They don't even try to run...

Not sure how that would effect it. I would black the bottom of the tank out, some cardboard and tape should work.

The ocean is dark at night. Very dark.

This, use styrofoam to block out the light bleed from the back of your stand.

02/07/2015, 06:41 PM	#1
ohioreef71 Registered Member Join Date: Nov 2011 Location: Akron, OH Posts: 401	Sump lighting shining through display problem? Is there a negative effect of lighting from sump/fuge shining through the bottom of tank glass when lights are off. I run my lights on a reverse photo period and at night there is a few areas shining through pretty good. I use a shallow sand bed and a few areas around rocks and areas that my goby has excavated is bare glass. Will coral or fish be effected?

02/07/2015, 09:12 PM	#2
suzig Registered Member Join Date: Jan 2014 Location: long island Posts: 176	other than maybe throwing some fish off id say no. although i will add i feel bad sometimes when i turn on the lights in my room and i see some fish start to wake up and then i put them back to darkness. definitely not natural by any means. __________________ ... Current Tank Info: 45 cube, Custom King sump, 250w Halide, 2x T5s, G4 Radion, ATO, Reef Octopus skimmer, mp40/10

02/07/2015, 09:15 PM	#3
jason2459 Registered Member Join Date: Jul 2009 Location: Iowa Posts: 9,671	I used to have a hob refugium and was on opposite light schedule from the tank. Tank back was painted but still had some bleed over. It made for a good moon light. If it's just a little I wouldn't worry about it. But burying fish like leopard wrasses probably wouldn't like it but probably wouldn't do good in your shallow sand anyway. __________________ rebuild and recovery log: No more red house, you'll have to click on my name and visit my homepage! You can check out my parameters at reeftronics dot net website and look for my username. Current Tank Info: 180g mixed reef w/ a beananimal overflow to a dolomite RRUGF. \| 20g long G. Smithii Mantis Tank

02/07/2015, 11:58 PM	#5
tkeracer619 Registered Member Join Date: Jan 2006 Location: Westminster, CO Posts: 17,289	I like my tanks to get dark. That way all I have to do to catch them is turn the lights on and put the net in. They don't even try to run... Not sure how that would effect it. I would black the bottom of the tank out, some cardboard and tape should work. The ocean is dark at night. Very dark. __________________ Hobby Experience: 9200ish gallons, 26 skimmers, and a handful of Kent Scrapers. Current Tank: Vortech Powered 600G SPS Tank w/ 100gal frag tank & 100g Sump. RK2-RK10 Skimmer. ReefAngel. Radium 20k.

02/07/2015, 11:54 PM	#4
zachts Registered Member Join Date: Mar 2005 Location: St. Louis, MO. Posts: 3,259	Never had any issue with it. my sump lights are on 24/7 and reflect back up through the tank to some degree. kind of like weird moon light I suppose. the fish don't seem to care and sleep just fine.