Anyone have any luck making a custom lid for their 2.5? - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 03-03-2010, 07:39 AM Thread Starter
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Anyone have any luck making a custom lid for their 2.5?

TLDR: anyone have any luck cutting filter cutouts in glass?

My old 2.5 lid has water stains from hell that I can't get off with scraping, vinegar, steel wool, rubbing compound, etc.

I accidentally hit my old 2.5 with a dinner plate or something, and cracked the glass, so I bought another one. I took apart the old one (Difficult, careful, the glass under the rim is very sharp), and tried my hand at cutting up a new lid...

I can get the straight cuts fine, but I'm trying to do a cutout for the Red Sea Nano filter, so I need a corner cutout of the lid. I tried a ninety degree cut and can't get the glass to break clean, and tried a radiused 90 degree cut, and can sometimes get those to be alright, but usually it still doesn't break very well, and ruins the whole piece...

I only have one pane left that's big enough to make a lid, so if I screw that up then game over, unless I can somehow clean the old lid... I'm kinda broke at the moment, but have a bazillion dremel tools. I'd hate to buy a sheet of acrylic to make one, and was hoping to do that as a last resort..
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post #2 of 6 (permalink) Old 03-03-2010, 12:20 PM
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I took mine to get it cut--they broke it. So, I had them cut me a piece of Lexan and I use it on my 2.5gal. It works pretty well--curls up a little bit over time.
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post #3 of 6 (permalink) Old 03-03-2010, 12:39 PM
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you could prob get a class shop to cut this for you for under 15 bucks with the glass included.

They might even smooth the edges for you.
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post #4 of 6 (permalink) Old 03-03-2010, 11:50 PM Thread Starter
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Eh. I figured a new lid would get the glass etching soon anyways, and tested the light loss through the old lid. Was about 5% which is on par with what I'd expect from glass anyways. Measured and did a straight cut with the $2 harbor freight glass cutter. Uncovered area is less than 2 square inches.

As an experiment I suppose, I left the lid on for 3 years with water in the tank. Evaporation was about an inch. I bet with even this cut that there wouldn't be any noticeable evaporation within a month.
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post #5 of 6 (permalink) Old 03-04-2010, 12:25 AM
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I just did 4 2.5g tanks. First time I ever cut glass and had no problems. I did a 45 degree angle cut in the corner. The edges were a bit sharp, but I just filed them down a bit. It's not a perfectly straight cut, but it's so small and in the back corner, so it doesn't really matter to me how it looks.
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post #6 of 6 (permalink) Old 03-04-2010, 01:09 AM
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Quote:
Originally Posted by sparkysko View Post
Eh. I figured a new lid would get the glass etching soon anyways, and tested the light loss through the old lid. Was about 5% which is on par with what I'd expect from glass anyways. Measured and did a straight cut with the $2 harbor freight glass cutter. Uncovered area is less than 2 square inches.

As an experiment I suppose, I left the lid on for 3 years with water in the tank. Evaporation was about an inch. I bet with even this cut that there wouldn't be any noticeable evaporation within a month.
How do you know it is 5%? Not trying to be rude, but short of a par meter, there is no way to know...
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