I'd like to build a small aquarium, maybe 20" long, 20" tall and 12" wide. Can someone give me directions?
Not necessarily. Age has alot to do with smell. The fresher the batch of silicone the more potent and effective it will be. Silicone does have shelf life and it does have a expiration date in which its less effective closer and beyond that date. Its then when the chemical makeup can be faulty. I am sure alot of people have used old silicone and fault the product in general due to this aspect as well.It just happened to me recently, I've use GE on a few application but this time when I open it. I noticed it smelled different, 100% should smell like you got smacked in the face by a vinegar bag. If it doesn't there might be additives, so don't use it on your tank.
Wear gloves! Eye proPractice with glass cutting, I went through many pieces of glass and many lacerations before I got right. Try out different thickness of glass to get a feel for it. For me the was the challenging part, everything else was like building with Legos.
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