Silicone sealer for aquariums

[Fresh808]

Hi, I am going to try and reseal a 55 gal I have and wanted to know what type of silicone I need to use to keep it aquarium safe?
Scott

 

[Fishguy2727]

If I remember correctly silicone I is the one you want, silicone II has antibacterials added. Definitely use a caulking gun.

 

[fddlss]

I use the one Marineland makes.

 

[tjm80]

I used the DAP brand silicone. You can get it at HD or Lowes and it says "aquarium safe" on the packaging with a picture of a fish on it.

DAP Products - Construction Adhesives - DAP® Household/Aquarium Adhesive Sealant

 

[Flake]

GE Silicone 1. I tend to find any "aquarium sealant" comes in teeny tiny tubes. I prefer the tubes for a big job like this.

If you look at the tubes, choose anything without "mold barriers" or "mold protection".

 

[Fishguy2727]

You may want to consider black silicone. AGA makes a black silicone that comes in a caulking tube. Many tanks come with it now. With a painted black background it looks great.