Best Silicone for resealing large tanks

  • We are currently upgrading MFK. thanks! -neo
Prep and silicone. You have to be quick or it looks like crap

No doubt, I did the full prep n clean everything with acetone. My hands were killing me from gettin all the silicone. I didnt use painters tape. This was the tank I reseal. Obvi its a POS, hence why i use it as my sump

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Scs 1200 on larger tanks no question. Anything over 125 gallons id go with the higher tensile strength scs1200 or I heard rtv. Any smaller tank just use any 100% silicone with nothing added, the one I have at my Canadian tire comes in a 3 pack for $12 and says on the label safe for aquarium use
 
Here's what I use on smaller tanks. Home hardware carry it so does Canadian tire

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