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You shouldn’t be yanking on the plastic hard at all!
Cool I figured I shouldn’t be prying very hard. Will update when I get the new rim installed if I remember haha. Thanks everyone for the help !!You shouldn’t be yanking on the plastic hard at all!
You should be taking it off piece by piece; very methodically sliding a hobby razor along both faces of the glass to cut a majority of the silicone holding the plastic down free from the glass!
A wire saw will be likely to damage the glass edges! — this process is painstaking, use a hacksaw with a fine tooth metal blade to carefully cut the plastic into short segments if need be, but be very cautious not to cut the glass!
You will want to scrape excess silicone off the glass using a razor blade, then clean the glass well with isopropyl alcohol (not acetone) to ensure that the new plastic adheres well!Cool I figured I shouldn’t be prying very hard. Will update when I get the new rim installed if I remember haha. Thanks everyone for the help !!
Before I pull the trigger on this , a 2 piece frame shouldn’t make a difference in structural integrity right? And 72x18 is the standard glass size for a 125 not including the rim right ? Feel like they must have had this issue in the past to put that notice hahaYou will want to scrape excess silicone off the glass using a razor blade, then clean the glass well with isopropyl alcohol (not acetone) to ensure that the new plastic adheres well!Cool I figured I shouldn’t be prying very hard. Will update when I get the new rim installed if I remember haha. Thanks everyone for the help !!
— ASI 502 aquarium silicone sealant is a reliable bet for this application, you might want two tubes just in case you run out before your perimeter bead is complete!

Do they indicate where the two pieces of this frame seam together? That’s a bit odd…a 2 piece frame shouldn’t make a difference in structural integrity right?
This is a standard dimension, but your tank should be double checked to ensure it isn’t 1/4” larger or smaller, just in case!And 72x18 is the standard glass size for a 125 not including the rim right ?
Hey man. Just getting back to this project. Measuring up this tank and does in fact seem to be a quarter inch longer width ways…Do they indicate where the two pieces of this frame seam together? That’s a bit odd…a 2 piece frame shouldn’t make a difference in structural integrity right?
This is a standard dimension, but your tank should be double checked to ensure it isn’t 1/4” larger or smaller, just in case!And 72x18 is the standard glass size for a 125 not including the rim right ?
Company just got back and said there’s “no tolerance over 18 inches wide exactly for our frames”Hey man. Just getting back to this project. Measuring up this tank and does in fact seem to be a quarter inch longer width ways…Do they indicate where the two pieces of this frame seam together? That’s a bit odd…a 2 piece frame shouldn’t make a difference in structural integrity right?
This is a standard dimension, but your tank should be double checked to ensure it isn’t 1/4” larger or smaller, just in case!And 72x18 is the standard glass size for a 125 not including the rim right ?
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(Measuring from one inch, maybe a 1/8 inch off the actual width it was hard getting a photo)
Length seems to be dead on at 72 inches. The website states it won’t fit anything over 18 inches wide but I’m debating if I should just roll the dice and see. Have you ever had this issue and made it work ? I emailed the company for their opinion but figured I might as well ask you too haha
Hmm… is the top frame returnable? If so, I’d give it a try!Company just got back and said there’s “no tolerance over 18 inches wide exactly for our frames”
Kinda stumped now lol not sure what to do
It is not returnable, I’m trying to see if they will throw me a bone since I’m sort of close to their building but not sure yet. I really want to just try it but it seems like they’ve maybe had someone in my shoes before and it didn’t work out lol.Hmm… is the top frame returnable? If so, I’d give it a try!Company just got back and said there’s “no tolerance over 18 inches wide exactly for our frames”
Kinda stumped now lol not sure what to do
Otherwise, eurobracing is an option, albeit a much more challenging one!
This is an ideal scenario, you might be able to measure for yourself!I’m trying to see if they will throw me a bone since I’m sort of close to their building but not sure yet.
You’d likely need to trim down to overflow boxes in height to make a eurobrace fit around the top, then there’s the sheer cost of thick glass… it’s definitely more in-depth than just slapping a new top rim on the tank!I will look into eurobracing
I’m trying to see if they will throw me a bone since I’m sort of close to their building but not sure yet.
Welp, over the edge strongly advised against ordering as they’re 100% certain it won’t fit, but they offer free local pickups and returns. Have to give them their flowers, I think most places would have just taken my money and said sorry your loss !!
So back to square one. I heard I could potentially get one straight from manufacturer? But also heard they may not do it depending on the brand. May start a new thread specifically on ordering rims from manufacturers to see if anyone’s done it.
Other than that I guess my options are euro brace or some sort of custom frame from wood or steel/aluminum