Non glass bottom tanks? - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 01-08-2008, 08:28 PM Thread Starter
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Non glass bottom tanks?

Does anyone have a tank that has a different material for the bottom? I saw one once on a reef forum, I think it was PVC or something. I was just thinking that this might be a good idea, since our planted tanks are covered with substrate anyway, and having an entire pane be something other than acrylic or glass would be cheaper (especially with custom tanks). Not to mention, it might be easier to drill.

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post #2 of 11 (permalink) Old 01-08-2008, 11:40 PM
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I like PVC bottom... but definately not cheaper (not by what AGE charge anyway).


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post #3 of 11 (permalink) Old 01-08-2008, 11:46 PM
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Old tanks used slate.

Grey PVC is certainly in use by large-scale reefers. Easy to drill and it can be countersunk to fit hex bulkheads. I think they look pretty sweet too.

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post #4 of 11 (permalink) Old 01-09-2008, 12:33 AM
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hey i have a 100 gallon cement based tank work in progress.


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post #5 of 11 (permalink) Old 01-09-2008, 03:24 AM Thread Starter
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Really? What excuse do they use for not having it be cheaper? I would think it would be, but I guess they can charge whatever they want.

Slate bottom tanks are dinosaurs, it'd be really neat to have one, but I was thinking more along the lines of practicality then antiquity.

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post #6 of 11 (permalink) Old 01-09-2008, 02:13 PM
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I have a glass 10g hex that has a molded plastic bottom.

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post #7 of 11 (permalink) Old 01-10-2008, 09:02 AM
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Originally Posted by fishscale View Post
Really? What excuse do they use for not having it be cheaper? I would think it would be, but I guess they can charge whatever they want.

Slate bottom tanks are dinosaurs, it'd be really neat to have one, but I was thinking more along the lines of practicality then antiquity.
Silicone doesn't adhere to PVC so they have to use this special glue witch has to be applied with special equipment. There also is allot more groundwork before youre able to put the tank together. I think most of AGEs cost comes from them having to pay of there CNC-router.
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post #8 of 11 (permalink) Old 01-10-2008, 06:07 PM Thread Starter
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Ah, ok. Makes sense now.

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post #9 of 11 (permalink) Old 01-10-2008, 06:16 PM
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hey i have a 100 gallon cement based tank work in progress.
LOL, more like a nice large glass front bathtub in progress.

Walter

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post #10 of 11 (permalink) Old 01-11-2008, 12:49 AM
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a bathtub it is then... lol


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post #11 of 11 (permalink) Old 01-11-2008, 07:19 PM
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Really? What excuse do they use for not having it be cheaper? I would think it would be, but I guess they can charge whatever they want.
Cheaper? I checked one of the more common plastic suppliers I have used in the past and its definitely more expensive there... http://www.usplastic.com/catalog/cat...lickid=leftnav

I looked up 1/4"x24"x48" and acrylic is $36 and grey pvc is $46
And for a large tank I looked up 3/4"x48"x96" and acrylic is $292 and grey pvc is $474.

However I do not know how strong PVC is compared to acrylic, perhaps you could get by with less thickness, maybe you would need double the thickness, IDK, and that would change the cost ratio considerably. BTW white pvc was slightly more expensive than grey. FWIW I glanced at the prices for CPVC and they are several times more expensive. Lexan was also a little more than PVC.
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