What silicone is safe

[Reeftreasures]

Which black silicone is safe for our tanks besides AGA aquarium silicone

need to seal bulkheads and seams but want to use black

 

[msuzuki126]

GE window and door 1 is safe, but i don't know if it comes in black. Why not clear?

 

[thor32766]

the only silicone i know everyone uses is the GE Silicone I window and door without the mildew additive. Silicone II used to the it silicone, but they now only seem to come in the mildew resistant form