29 Gal Glass Tank Flex
Hi I'm new here and new to fish keeping....I just set up my 30 gallon rectangular freshwater tank and have noticed that there is some "bowage" to the largest glass panels (front and back) and was wondering if this is normal. There is an 1/8" difference on both sides. I always thought glass would crack or shatter before flexing. Anyways let me know what you think, thanks.
1 ten gal w/fish
1 thirty gal w/ no fish
Never heard of it before. I just wonder if this is a repitle tank and not a fish tank. Big difference in glass thickness. You need to check this out or the seams will give eventually, I think.
What do you mean by "Bowage'?
Are you sure its glass and not acrylic
Go ahead - try to count my Bumblebee Gobies!
72 Gallon Bowfront
Angel, Sharks, Tetras, Fire Eel
African Butterfly, Violet Goby, Tetras, Danios
Clown Loaches, Neons, BumbleBee Gobies, Tetras
Some smaller "all glass" tanks are designed without anything supporting the glass panels, and it is quite normal for these to bulge a little.
Originally Posted by legoms013
My Juwel Rekord 110 (29 gallon) is built like this. I'll go measure how much the difference is between the middle and the sides for comparison.
edit: My 110 liter (29 gallon) is 44.8 cm on the sides, and 45.2 cm in the middle, making the difference 0.4 cm, equalling 0.15 inches - or just about 1/8th of an inch.
Last edited by dev; 07-15-2007 at 09:16 PM.
More info: Tank Flex
It's glass for sure, I bought it as part of Top Fin kit, so its not a terrarium tank. By "bowage" I mean the glass is bowing out a little. I can tell cause my hood does not meet up anymore in the middle. My little ten gallon tank does this too, but is much less so. Also the glass is about 2 hairs over 3/16"....I'm wondering if this is a standard thickness for this size of tank or if its too thin (it is however thicker than my ten gallon tank). I'm gonna call my reputable local fish store after a while.
At the petstore I saw some tanks with a thick plastic brace across the tank just underneath where the hood sits....and was wondering to myself why wouldn't they put one on this tank, its almost as long as those ones.
My tank is 30" Long x 18.5" Tall x 12.5" Wide
Last edited by legoms013; 07-15-2007 at 09:23 PM.
Something sounds screwy. I got both my 55 and 29 gallon kits from Walmart and just measured them both. NO bowing at all. If your hood no longer even fits correctly, something is messed up. Braces are not needed on the 29 gallons.
Is your entire tank sitting supported on all 4 corners with NONE hanging over?
My Juwel Rekord tank is 31.5" long, and is bulging slighly more than yours (but the hood fits perfectly). If your tank does not have any supporting glass construction near the top, it sounds like everything is as it should be.
Originally Posted by legoms013
This really is a common tank design for whole glass tanks smaller than 160-180 liters, but if it was sold as a part of a kit and the hood doesnt fit anymore, I would definately have a word with the shop.
Lady Hobbs: Does your tank have a supporting frame, or supporting glass/plastic that is glued on near the top of your tank? legoms013: How about your tank?
Last edited by dev; 07-15-2007 at 09:28 PM.
All my tank has is the the inch wide black plastic around the top and bottom perimeters. But no cross brace across the top. Oh and yeah it is fully supported on all edges underneath it. It sits on my homemade solid oak dresser which I'm pretty sure could withstand 400 pounds. I can't move it by myself (the dresser).
The hood stays on and everything it just has that little gap in the middle. The sides sit perfectly sqaure with the tank's plastic rim towards the corners. This is how my smaller tank is also.
Maybe as soon as I figure it out I'll post a picture.
Last edited by legoms013; 07-15-2007 at 09:33 PM.
My trimming has supports on it across the top, now bowing what so ever on any of my tanks from my 5 gallon, to my 55 gallon.