My DIY Reflector - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 01-13-2008, 05:45 PM Thread Starter
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My DIY Reflector

I guess I just got bored or something over the weekend and decided to make reflectors for my planted tank. I ordered a roll of mylar film online and got an unrolled galvanized pipe from my local hardware store, I got to work. I first cut up the galvanized pipe to the desired dimension, in this case, it's for my 18" fluorescent. I then fold it to form angles for maximum reflectivity. I tried to mimic the ahsupply reflector design. It really doesn't matter how much you need to bend the angle because it can be fixed later on. I cut out a piece of mylar, then glued it on. I used wood glue (these stuffs really works) because I had good experience using it before on my other reflectors and it's the only glue laying around in my house. blah blah blah Not bad for a 3 hour project huh? I had a hard time taking pictures to show you guys the folds because these things are too bright from the light in the room.
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post #2 of 8 (permalink) Old 01-16-2008, 03:24 PM
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Pretty nice build!

What'd you say was your overall cost in this project?

Thanks,
AndrewH


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post #3 of 8 (permalink) Old 01-16-2008, 03:42 PM
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Good stuff!
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post #4 of 8 (permalink) Old 01-16-2008, 07:17 PM Thread Starter
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Pretty nice build!

What'd you say was your overall cost in this project?
Well the most expensive thing here is the mylar film of course. It cost me 22$ shipped, but I barely used any of it since each roll is 50"X25'. The unrolled galvanize pipe cost $6 at my local hardware. I would say $28 total unless you do some sort of group sharing project on the mylar film.
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post #5 of 8 (permalink) Old 01-22-2008, 11:56 PM
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What exactly is unrolled galvanize pipe???


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post #6 of 8 (permalink) Old 01-23-2008, 12:02 AM
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What exactly is unrolled galvanize pipe???
Stovepipe? It's either for that or some other kind of ventilation. Maybe just standard forced-air ductwork, dunno. It has corrugations at each end, and a fold along each edge for you to crimp it into a tube.

I'm pretty sure that htn86 only used it because it was a cheap source of non-rusting sheet metal.
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post #7 of 8 (permalink) Old 01-23-2008, 04:04 AM
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Great DIY project.

Galvanized pipe, basically the thin metal that air ducts are made of (if I'm correct).

Easy to form into shape and holds the shape.

I also second using wood glue, it was the only handy glue I had at the time of gluing mylar sheeting to my shoplights, works great.

Also, for anyone wanting to cut metal sheets, make sure you have real sheet-metal cutting scissors. Don't do it like me with paper-cutting scissors.
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post #8 of 8 (permalink) Old 01-24-2008, 06:33 AM Thread Starter
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Swylie: That's correct. Galvanized pipes are used in ventilation for wood/gas stove to carry the hot air around the house. Thus, it'll be able to withstand the heat from the lamps, and it's pretty much the cheapest non rusting metal I can think of.

dekstr: I got blisters on my hands now for using a scissor. It's worth it because my plants just grew like wild fire once I installed the new reflectors. The wood glue seems to be holding up pretty darn well. I also heard that guerrilla super glue works great for this project, too.
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