Well, I ordered a replacement pane of glass for my 200g tank yesterday. It is the side piece that is 34x26 and 1/2" thick. I want to use the best possible sealant because 200 gallons of water on the floor would not be fun. I plan on doing a test for about a week outside first. I have been reading up on different silicone types. All seem to very similar(WITHOUT MILDEW ADDITIVES) I like what I've read about NuFlex 333, but it states on their website for use under 100g. I want black to match the other seams. Also how much should I buy for this size glass repair? Here is the types I've looked into:
IMO 2 tubes is not nearly enough. I resealed a 150 and used like 5 just to be safe. If you have a wood stand, you can make extra wide joints and then get the unstained wood trim from home depot and stain it to match the wood on your stand. Then you can silicon it to the corners and it blends it in with the stand real nice and it hides the silicon. Looks really nice too.
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