Glass thickness for 5ft tank

[王曼綺]

Hi. 

I was told by my tank maker that for a 5ft x 2.5ft x 20inch tank, i will require a 15mm glass. However when i did a search on this forum, even the 6 footers are using 12mm and i also crossed checked with the aquatools website calculator, it says this size requires 8mm thickness. So am i right to say 15mm thickness is not necessary? 

Thanks. 

 

[Solo77]

For planted tank, maybe still can. For marine, you may not want to take the risk. 

[soggycookies]

For a 4ft I wouldn’t worry with 12mm glass. Anything large than that, I wouldn’t risk it.. 15mm for peace of mind


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[ramvenga85]

I have a 3ft x 2.5ft x 20 inches marine tank and i use 15 mm glass as it is rimless. No bending/warping glass walls so peace of mind..

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[王曼綺]

Yes i am planning a rimless too. hmm.. 

[DigBick]

On 3/21/2019 at 8:33 PM, 王曼綺 said:

Yes i am planning a rimless too. hmm.. 

I'll suggest 20mm if rimless. But 15mm should be alright. As tank builder's recommendation will be what they should be responsible if the tank wall warp and breakdown. 

[dr evil]

our show tank is 150x80x60cm rimless and we using 19mm...... as your tank height is 20", 15mm should be ok but it may bow little