Dap Aquarium Sealant

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DAP Aquarium Sealant is 100% Silicone and aquarium safe. Use it to repair seals, add baffles to sumps or secure suction cups.

  • 2.8 fl oz
  • Clear
More Information
Product Name Dap Aquarium Sealant
SKU 203051
UPC 070798006881
Adhesive Type Silicone
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Product Questions

I'm wanting to install an overflow in an established aquarium. I can drain the water below the level where the overflow will be. How long before I can fill the tank back up without the possibility of chemical leaching and damaging the silicone seal.
Question by: Caleb on Apr 17, 2016, 10:12 AM
Great question!
It would be quite risky to attempt on a full system. The silicone should set within 48 hours for the curing process. Feel free to let us know if you have any further questions!
Answer by: Connor on Apr 20, 2016, 6:35 PM
Whats the difference between this sealant and your adhesive 10 ounce? Which would be better for adding baffles to my sump and attaching a overflow box?
Question by: Nick on Jan 1, 2017, 12:11 PM
Great question! Either type of silicone will work just fine for your applications. I personally like the black silicone and used it for my frag tank's overflow box and I also touched up some sump baffles. :-)
Answer by: Randy on Jan 10, 2017, 2:05 PM
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