Is this adhesive safe?

[Slayyyter]

Just want to make sure this is safe to use when building my new sump

 

[fishguy242]

hi, just guessing ,no.
@Lost in the Sauce @NowGlazeIT ??

 

[NowGlazeIT]

Yea I think so, says NSF on it. Thanks for the shout out buddy

 

[NowGlazeIT]

Ive bought other types from the same company. I used to use them for my sumps and ato before I found ASI

 

[atomos]

seems safe IMO ---
FDA 21 CFR
177.2600, USDA,
NSF International
Std. No. 51

 

[Slayyyter]

Thank you! I'll go ahead and start using it then

 

[Pistondog]

Some amazon reviews claim its the goto adhesive for aquarium building, fwiw.