Best cleaner for glass before reseal

  • We are currently upgrading MFK. thanks! -neo

LukeOscar

Polypterus
MFK Member
Mar 23, 2013
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ontario
Cleaning up this 300 gallon and I'm wondering what is the best product to clean the surface of the glass to be ready for silicone ?

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I've always had good success with 90% isopropyl alcohol (rubbing alcohol)

I know some people use acetone also.

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Will this harm the main seal? The main seal is still in great shape. It's only a pinhole leak.

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I know from experience that alcohol is pretty safe. I've resealed a few tanks using that to clean. It's less harsh than acetone

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The only thing I found to remove that film left behind from the old silicone is a wire brush. I got one to chuck up in my drill and a little wooden handle one for the tight spots. Don't worry it won't scratch the glass (or maybe I just got lucky). Having recently completely disassembling a 125 gallon I bought, I spent a few hours trying several different methods off YouTube. In the end it came down to some good old fashioned elbow grease.

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It's done other than the residue you speak of. This scraper is a must. Took little to no effort.
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