glass in the middle of my 75 gallon tank

[cvegastar]

My 75 gallon tank was a christmas present and i was too excited about a bigger tank to complain or return it, but the tank was pre drilled and has a built in overflow only one problem though. it has a 5/8 by 8 inch peice of glass in the middle it only burned three corals before i new what was going on does any body think i can tint the peice of glass ?

 

[SitBackAndWatch]

It is hard to understand what exactly you are talking about. Maybe try a photo?

I also just noticed you are from West Chester. Is that West Chester PA? near Philly? I am also in West chester (pa) that is.

 

[cvegastar]

yes i live in west chester PA . In the middle of my tank at the top there is a piece of glass as a support , the peice of glass is eight inches wide by 5/8ths thick and im pretty sure it is acting as a magnifying glass on any thing i stick in the middle of my tank.. I have a combo light with 2 -150 hqi,s and 2- 90 watt T five bulbs I was just wondering if I could tint the glass with some sort of auto tint or some blue mylar film so i could place corals there and not waste the precious space.

 

[MHannon]

I doubt that is what's happening. If anything, it is blocking light.

 

[syrinx]

Agreed- to magnify there needs to be a curve to the glass. In the case of a flat piece of glass it reacts two different ways to light energy. 1 it absorbs heat and 2 it reflects light back at the source, thus creating a lower light penatration under the glass. Glass itself will block some light penatration, but not nearly as much as it reflects away.

 

[sndwave80]

I agree with the others above. The glass in the middle (probably an Oceanic tank) is not going to be the problem. What type of lighting are you using? And how high are off the top of your tank?

 

[cvegastar]

I have an outer orbit 150 hqi halide and t-5 combo it just seems odd that it only bothers my soft corals wich really look like they got burnt i moved them in my tank and they are doing better

 

[syrinx]

Soft corals are more light sensitive and thus have problems with a major light upgrade. Just start stuff around the edges and bottom and then move into brighter light.

 

[cdangel0]

The MH is in the middle of that unit correct? Right above the glass? The harder corals need more light (generally speaking) and therefore are more tolerant of bright lighting.

I agree plant softies around the edges and move them or let them grow to the middle. They will stop growing to a specific spot if the light is too bright for them.

BTW - I used to be from West Chester as well.

 

[Piazzon12]

Is there a UV shield on the MH?

 

[Cantonesefish]

Ha, I'm also from West Chester!

 

[syrinx]

<a href=showthread.php?s=&postid=9456225#post9456225 target=_blank>Originally posted</a> by Piazzon12
Is there a UV shield on the MH?

The problem is under the glass- then it does for sure- even if there isn`t one on the fixture!

 

[uscharalph]

I have a similar piece of glass on the top of my 55 gallon. It's a safety feature right? In case a light fixure fell? Mine also has about a 2" strip on each end.

 

[syrinx]

It is a brace to keep tank from bowing- came into existance as manufacturers started using thinner glass. The side benifit is your statment of helping give a 2nd chance for a light fixture fall.